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關注：1
2013-05-23 12:21
求翻譯：第一個使用真空管設計的放大器大約在1930年前后完成，這個放大器可以執行加與減的工作是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
第一個使用真空管設計的放大器大約在1930年前后完成，這個放大器可以執行加與減的工作
問題補充： |
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2013-05-23 12:21:38
The first use of vacuum tube amplifier design completed in about 1930 years ago, this amplifier can perform add and subtract work
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2013-05-23 12:23:18
The first to use the amplifier tube design completed in about 1930, before and after the amplifier can be reduced with the implementation of the work
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2013-05-23 12:24:58
The operational amplifier (i.e. “transports puts”) has the very high enlargement factor electric circuit unit.In the actual electric circuit, usually unifies the feedback network to compose some kind of function module together.Because the early time applies in the analog computer, with realizes mat
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2013-05-23 12:26:38
First use of vacuum tube amplifiers in 1930, before and after the completion of the design, the amplifier can perform addition and subtraction
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2013-05-23 12:28:18
First use of vacuum tube amplifiers in 1930, before and after the completion of the design, the amplifier can perform addition and subtraction
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