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【简答题】
已知二端口电路如图所示,R 1 =R 2 =R 4 =R 5 =900Ω,R 3 =450Ω,试求其T形等效网络。
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RuBP的量突然升高,而PGA的量突然降低。
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PGA的量突然升高,RuBP的量突然降低。
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【单选题】在光合碳循环运转正常后,突然降低环境中的 CO2 浓度,则光合环中的中间产物含量会发生如下的瞬时变化:( )
A.
RuBP 的量突然升高,而 PGA 的量突然降低
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【简答题】任务型阅读 March 24th This morning, we had a school trip to the Dashan Collection House, a building of two floors. It is open from 9:00 am to 5:00 pm. We took the school bus and arrived at 9:00. When we en...
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A.
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B.
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投资价值
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在用价值
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残余价值
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