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關(guān)注：1
2013-05-23 12:21
求翻譯：在投影儀發(fā)明以前老師需要寫板書是什么意思？ 待解決
 懸賞分：1
- 離問題結(jié)束還有
在投影儀發(fā)明以前老師需要寫板書
問題補(bǔ)充： |
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2013-05-23 12:21:38
Teachers need to be written before the projector invention of writing on Blackboard
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2013-05-23 12:23:18
In projector, teachers need to be written before the invention GEM book
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2013-05-23 12:24:58
Invents beforehand teacher in the projecting apparatus to need to write the blackboard writing
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2013-05-23 12:26:38
Teachers need to be written before the projector invention of writing on Blackboard
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2013-05-23 12:28:18
正在翻譯，請(qǐng)等待...
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