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关注：1
2013-05-23 12:21
求翻译：进行了世界上第一次电视广播试验是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
进行了世界上第一次电视广播试验
问题补充： |
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2013-05-23 12:21:38
Carried out the world's first television broadcast test
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2013-05-23 12:23:18
For the world's first television pilot
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2013-05-23 12:24:58
Has carried on in the world the first visual broadcast experiment
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2013-05-23 12:26:38
For the world's first television broadcast tests
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2013-05-23 12:28:18
For the world's first television broadcast tests
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