{"id":18699,"date":"2026-09-29T13:56:30","date_gmt":"2026-09-29T04:56:30","guid":{"rendered":"https:\/\/cg-method.com\/after-effects\/?p=18699"},"modified":"2026-10-03T07:38:05","modified_gmt":"2026-10-02T22:38:05","slug":"after-effects-text-box-sourcerectattime","status":"publish","type":"post","link":"https:\/\/cg-method.com\/after-effects\/after-effects-text-box-sourcerectattime\/","title":{"rendered":"After Effects\u2502\u6587\u5b57\u306e\u9577\u3055\u306b\u5408\u308f\u305b\u3066\u80cc\u666f\uff08\u5ea7\u5e03\u56e3\uff09\u304c\u4f38\u3073\u308b\u30a8\u30af\u30b9\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\uff5csourceRectAtTime"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30c6\u30ed\u30c3\u30d7\u306e\u6587\u5b57\u3092\u6253\u3061\u66ff\u3048\u308b\u305f\u3073\u306b\u3001\u80cc\u666f\u306e\u56db\u89d2\u3092\u624b\u3067\u4f38\u3070\u3057\u76f4\u3059\u306e\u306f\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sourceRectAtTime \u3092\u4f7f\u3046\u3068\u3001\u6587\u5b57\u306e\u9577\u3055\u306b\u5408\u308f\u305b\u3066\u80cc\u666f\uff08\u5ea7\u5e03\u56e3\uff09\u304c\u81ea\u52d5\u3067\u4f38\u3073\u7e2e\u307f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u80cc\u666f\u306f\u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u306e\u9577\u65b9\u5f62\u3067\u4f5c\u308b<\/li>\n\n\n<li>\u9577\u65b9\u5f62\u306e\u30b5\u30a4\u30ba\uff1a\u6587\u5b57\u306e\u5e45\u3068\u9ad8\u3055\u306b\u4f59\u767d\u3092\u8db3\u3059<\/li>\n\n\n<li>\u9577\u65b9\u5f62\u306e\u4f4d\u7f6e\uff1a\u6587\u5b57\u306e\u67a0\u306e\u4e2d\u5fc3\u306b\u5408\u308f\u305b\u308b<\/li>\n\n\n<li>\u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u306e\u4f4d\u7f6e\uff1a\u30c6\u30ad\u30b9\u30c8\u30ec\u30a4\u30e4\u30fc\u306e\u4f4d\u7f6e\u306b\u305d\u308d\u3048\u308b<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u306f\u3001Adobe\u516c\u5f0f\u306e\u300cExpression language reference\u300d\u306e\u8aac\u660e\uff082026\u5e7410\u67083\u65e5\u306b\u516c\u5f0f\u8cc7\u6599\u3092\u78ba\u8a8d\uff09\u306b\u3082\u3068\u3065\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After Effects\u306e\u753b\u9762\u3067\u306e\u518d\u73fe\u306f\u542b\u307e\u305a\u3001\u516c\u5f0f\u306e\u8aac\u660e\u3069\u304a\u308a\u306b\u7d44\u307f\u7acb\u3066\u305f\u5f0f\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">sourceRectAtTime\u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">sourceRectAtTime \u306f\u3001\u30ec\u30a4\u30e4\u30fc\u306e\u4e2d\u8eab\u304c\u3069\u306e\u7bc4\u56f2\u306b\u3042\u308b\u304b\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\"><code>sourceRectAtTime(time, false)<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd4\u3063\u3066\u304f\u308b\u306e\u306f\u3001top\uff08\u4e0a\u7aef\uff09\u30fbleft\uff08\u5de6\u7aef\uff09\u30fbwidth\uff08\u5e45\uff09\u30fbheight\uff08\u9ad8\u3055\uff09\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">false\u306e\u30c6\u30ad\u30b9\u30c8\u4f8b\u306f\u3001\u6587\u5b57\u306e\u30ec\u30a4\u30e4\u30fc\u5185\u306e\u5883\u754c\u3092\u4f7f\u3044\u307e\u3059\u3002\u8fd4\u3059\u5ea7\u6a19\u3068\u5927\u304d\u3055\u306b\u306f\u3001\u30ec\u30a4\u30e4\u30fc\u306e\u4f4d\u7f6e\u30fb\u56de\u8ee2\u30fb\u62e1\u5927\u7e2e\u5c0f\u3092\u5408\u6210\u3057\u305f\u753b\u9762\u4e0a\u306e\u5909\u63db\u306f\u542b\u307e\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">includeExtents\u304ctrue\u306a\u3089\u3001\u6bb5\u843d\u30c6\u30ad\u30b9\u30c8\u306f\u6bb5\u843d\u30dc\u30c3\u30af\u30b9\u306e\u7bc4\u56f2\u3092\u8fd4\u3057\u307e\u3059\uff08AE15.1\u4ee5\u964d\uff09\u3002\u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u3067\u306f\u5fc5\u8981\u306a\u7bc4\u56f2\u307e\u3067\u5883\u754c\u3092\u62e1\u5f35\u3057\u307e\u3059\u3002\u6587\u5b57\u306e\u898b\u3048\u308b\u5e45\u3068\u6bb5\u843d\u30dc\u30c3\u30af\u30b9\u306e\u5e45\u3092\u6df7\u540c\u305b\u305a\u3001\u3053\u3053\u3067\u306ffalse\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f5c\u308a\u65b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30ec\u30a4\u30e4\u30fc\u3092\u7528\u610f\u3059\u308b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li>\u30c6\u30ad\u30b9\u30c8\u30ec\u30a4\u30e4\u30fc\u3092\u4f5c\u308a\u3001\u540d\u524d\u3092\u300c\u30c6\u30ad\u30b9\u30c8\u300d\u306b\u3059\u308b<\/li>\n\n\n<li>\u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u306b\u9577\u65b9\u5f62\u30921\u3064\u4f5c\u308b\uff08\u5857\u308a\u3060\u3051\u306b\u3059\u308b\uff09<\/li>\n\n\n<li>\u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u3092\u30c6\u30ad\u30b9\u30c8\u30ec\u30a4\u30e4\u30fc\u306e\u4e0b\u306b\u7f6e\u304f<\/li>\n\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u7df4\u7fd2\u306f\u4e21\u30ec\u30a4\u30e4\u30fc\u3068\u30822D\u30fb\u89aa\u306a\u3057\u3067\u3001\u56de\u8ee20\u00b0\u3001\u62e1\u5927\u7e2e\u5c0f100%\u306b\u3057\u307e\u3059\u3002\u80cc\u666f\u306e\u30ec\u30a4\u30e4\u30fc\u30a2\u30f3\u30ab\u30fc\u306f [0, 0]\u3001\u9577\u65b9\u5f62\u30b0\u30eb\u30fc\u30d7\u306e\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30e0\u3082\u4f4d\u7f6e\u30fb\u30a2\u30f3\u30ab\u30fc [0, 0]\u3001\u56de\u8ee20\u00b0\u3001\u30b9\u30b1\u30fc\u30eb100%\u306b\u3057\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u306e\u30a2\u30f3\u30ab\u30fc\u306f\u6b21\u306e\u4f4d\u7f6e\u5f0f\u3067\u5dee\u3057\u5f15\u304f\u306e\u3067\u3001\u65e2\u5b58\u5024\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u9577\u65b9\u5f62\u306e\u30b5\u30a4\u30ba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u306e\u300c\u30b3\u30f3\u30c6\u30f3\u30c4\u300d\u2192\u300c\u9577\u65b9\u5f62\u300d\u2192\u300c\u9577\u65b9\u5f62\u30d1\u30b9\u300d\u2192\u300c\u30b5\u30a4\u30ba\u300d\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>var t = thisComp.layer(\"\u30c6\u30ad\u30b9\u30c8\");\nvar r = t.sourceRectAtTime(time, false);\nvar pad = [40, 20]; \/\/ \u5de6\u53f3\u306e\u4f59\u767d, \u4e0a\u4e0b\u306e\u4f59\u767d\n[r.width + pad[0] * 2, r.height + pad[1] * 2];<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u5b57\u306e\u5e45\u3068\u9ad8\u3055\u306b\u3001\u5de6\u53f3\u3068\u4e0a\u4e0b\u306e\u4f59\u767d\u30922\u500d\u3057\u3066\u8db3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u9577\u65b9\u5f62\u306e\u4f4d\u7f6e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u300c\u9577\u65b9\u5f62\u30d1\u30b9\u300d\u306e\u300c\u4f4d\u7f6e\u300d\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-js\"><code>var t = thisComp.layer(&quot;\u30c6\u30ad\u30b9\u30c8&quot;);\nvar r = t.sourceRectAtTime(time, false);\nvar a = t.transform.anchorPoint;\n[r.left + r.width \/ 2 - a[0], r.top + r.height \/ 2 - a[1]];<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u5b57\u306e\u67a0\u306e\u4e2d\u5fc3\u304b\u3089\u30c6\u30ad\u30b9\u30c8\u306e\u30a2\u30f3\u30ab\u30fc\u3092\u5dee\u3057\u5f15\u304d\u3001\u80cc\u666f\u30ec\u30a4\u30e4\u30fc\u306e\u539f\u70b9\u304b\u3089\u898b\u305f\u9577\u65b9\u5f62\u4e2d\u5fc3\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9577\u65b9\u5f62\u306f\u4e2d\u5fc3\u3092\u57fa\u6e96\u306b\u63cf\u304b\u308c\u308b\u306e\u3067\u3001\u3053\u308c\u3067\u6587\u5b57\u306e\u771f\u5f8c\u308d\u306b\u80cc\u666f\u304c\u6765\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u306e\u4f4d\u7f6e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30a7\u30a4\u30d7\u30ec\u30a4\u30e4\u30fc\u306e\u300c\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30e0\u300d\u2192\u300c\u4f4d\u7f6e\u300d\u306b\u66f8\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>thisComp.layer(\"\u30c6\u30ad\u30b9\u30c8\").transform.position;<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u89aa\u306a\u3057\u30fb\u56de\u8ee20\u00b0\u30fb\u30b9\u30b1\u30fc\u30eb100%\u306e\u6761\u4ef6\u306a\u3089\u3001\u30c6\u30ad\u30b9\u30c8\u3092\u79fb\u52d5\u3057\u305f\u3068\u304d\u3082\u80cc\u666f\u304c\u8ffd\u5f93\u3057\u307e\u3059\u3002\u4f4d\u7f6e\u3060\u3051\u3092\u30b3\u30d4\u30fc\u3059\u308b\u3053\u306e\u65b9\u5f0f\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u306e\u56de\u8ee2\u3084\u62e1\u5927\u7e2e\u5c0f\u307e\u3067\u8ffd\u5f93\u3055\u305b\u308b\u5f0f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u5b57\u3092\u6253\u3061\u66ff\u3048\u308b\u3068\u3001\u80cc\u666f\u306e\u5927\u304d\u3055\u3082\u81ea\u52d5\u3067\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u4f7f\u3046\u5fdc\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u89d2\u3092\u4e38\u304f\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u9577\u65b9\u5f62\u30d1\u30b9\u300d\u306e\u300c\u89d2\u4e38\u306e\u534a\u5f84\u300d\u306b\u6570\u5024\u3092\u5165\u308c\u308b\u3068\u3001\u89d2\u306e\u4e38\u3044\u5e2f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f59\u767d\u3092\u30b9\u30e9\u30a4\u30c0\u30fc\u3067\u5909\u3048\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c6\u30ad\u30b9\u30c8\u30ec\u30a4\u30e4\u30fc\u306b\u30a8\u30d5\u30a7\u30af\u30c8\u306e\u300c\u30b9\u30e9\u30a4\u30c0\u30fc\u5236\u5fa1\u300d\u30922\u3064\u8db3\u3057\u3001\u540d\u524d\u3092\u300c\u4f59\u767d\u6a2a\u300d\u300c\u4f59\u767d\u7e26\u300d\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>var t = thisComp.layer(\"\u30c6\u30ad\u30b9\u30c8\");\nvar r = t.sourceRectAtTime(time, false);\nvar px = t.effect(\"\u4f59\u767d\u6a2a\")(\"\u30b9\u30e9\u30a4\u30c0\u30fc\");\nvar py = t.effect(\"\u4f59\u767d\u7e26\")(\"\u30b9\u30e9\u30a4\u30c0\u30fc\");\n[r.width + px * 2, r.height + py * 2];<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u82f1\u8a9e\u7248\u3067\u306f\u30b9\u30e9\u30a4\u30c0\u30fc\u306e\u540d\u524d\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u30d4\u30c3\u30af\u30a6\u30a3\u30c3\u30d7\u30672\u3064\u306e\u53c2\u7167\u3092\u4f5c\u308a\u307e\u3059\u3002\u4f59\u767d\u306f0\u4ee5\u4e0a\u306e\u6570\u5024\u3067\u6307\u5b9a\u3057\u3001\u30b9\u30e9\u30a4\u30c0\u30fc\u5236\u5fa1\u306e\u540d\u524d\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u540d\u3092\u5206\u3051\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e45\u3060\u3051\u5408\u308f\u305b\u3066\u9ad8\u3055\u306f\u56fa\u5b9a\u3059\u308b<\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-javascript\"><code>var r = thisComp.layer(\"\u30c6\u30ad\u30b9\u30c8\").sourceRectAtTime(time, false);\n[r.width + 80, 60];<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u5b57\u306e\u9ad8\u3055\u306b\u95a2\u4fc2\u306a\u304f\u3001\u5e2f\u306e\u9ad8\u3055\u309260\u30d4\u30af\u30bb\u30eb\u306b\u305d\u308d\u3048\u305f\u3044\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u305a\u308c\u308b\u3068\u304d\u30fb\u52b9\u304b\u306a\u3044\u3068\u304d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u80cc\u666f\u304c\u305a\u308c\u308b\uff1a\u30a2\u30f3\u30ab\u30fc\u5dee\u3057\u5f15\u304d\u5f0f\u3001\u80cc\u666f\u30ec\u30a4\u30e4\u30fc\u306e\u30a2\u30f3\u30ab\u30fc\u3001\u9577\u65b9\u5f62\u30b0\u30eb\u30fc\u30d7\u306e\u5909\u63db\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n\n\n<li>\u80cc\u666f\u306e\u5927\u304d\u3055\u304c\u304a\u304b\u3057\u3044\uff1a\u30c6\u30ad\u30b9\u30c8\u30ec\u30a4\u30e4\u30fc\u306e\u62e1\u5927\u30fb\u7e2e\u5c0f\u3092\u5909\u3048\u3066\u3044\u306a\u3044\u304b\u3092\u898b\u308b\uff08sourceRectAtTime \u306f\u62e1\u5927\u30fb\u7e2e\u5c0f\u306e\u524d\u306e\u5927\u304d\u3055\u3092\u8fd4\u3059\uff09<\/li>\n\n\n<li>\u30a8\u30e9\u30fc\u306b\u306a\u308b\uff1a\u30ec\u30a4\u30e4\u30fc\u540d\u304c\u5f0f\u306e\u4e2d\u306e &#8220;\u30c6\u30ad\u30b9\u30c8&#8221; \u3068\u540c\u3058\u304b\u3092\u898b\u308b<\/li>\n\n\n<li>\u6587\u5b57\u304c\u306a\u3044\u6642\u9593\u306b\u80cc\u666f\u304c\u6b8b\u308b\uff1a\u6587\u5b57\u3092\u7a7a\u306b\u3059\u308b\u3068\u5e45\u304c0\u306b\u306a\u308a\u3001\u4f59\u767d\u306e\u5206\u3060\u3051\u6b8b\u308b<\/li>\n\n<\/ul>\n\n\n\n<p 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href=\"https:\/\/cg-method.com\/after-effects\/after-effects-matome\/\">After Effects\u306e\u4f7f\u3044\u65b9\u307e\u3068\u3081<\/a>\u304b\u3089\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30a2\u30f3\u30ab\u30fc\u3068\u4f59\u767d\u3092\u6570\u5024\u3067\u78ba\u304b\u3081\u308b\u7df4\u7fd2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0f\u306f\u30b5\u30a4\u30ba\u30fb\u9577\u65b9\u5f62\u30d1\u30b9\u306e\u4f4d\u7f6e\u30fb\u30ec\u30a4\u30e4\u30fc\u4f4d\u7f6e\u306e3\u7b87\u6240\u3078\u3001\u305d\u308c\u305e\u308c\u5bfe\u5fdc\u3059\u308b\u4f8b\u30921\u672c\u305a\u3064\u8cbc\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9577\u65b9\u5f62\u30d1\u30b9\u306e\u4f4d\u7f6e\u3068\u30ec\u30a4\u30e4\u30fc\u4f4d\u7f6e\u306f\u5225\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306f\u4eee\u306e\u5883\u754c\u3068\u30a2\u30f3\u30ab\u30fc\u3092\u5165\u529b\u3057\u305f\u8a08\u7b97\u4f8b\u3067\u3001\u5b9f\u30d5\u30a9\u30f3\u30c8\u306e\u6e2c\u5b9a\u5024\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\" tabindex=\"0\" aria-label=\"\u6a2a\u30b9\u30af\u30ed\u30fc\u30eb\u3067\u304d\u308b\u6bd4\u8f03\u8868\"><table class=\"has-fixed-layout\" style=\"min-width:24em\"><thead><tr><th style=\"min-width:8em !important\">\u5165\u529b<\/th><th style=\"min-width:8em !important\">\u5f0f\u306e\u8a08\u7b97\u7d50\u679c<\/th><th style=\"min-width:8em !important\">\u8cbc\u4ed8\u5148\u306e\u78ba\u8a8d<\/th><\/tr><\/thead><tbody><tr><td>left=-10\u3001top=-30\u3001\u5e45200\u3001\u9ad8\u305540<\/td><td>\u4e2d\u5fc3 [90, -10]<\/td><td>\u30ec\u30a4\u30e4\u30fc\u5185\u306e\u5883\u754c<\/td><\/tr><tr><td>\u30a2\u30f3\u30ab\u30fc [20, 10]<\/td><td>\u9577\u65b9\u5f62\u4f4d\u7f6e [70, 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