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【单选题】
不遵从牛顿黏性定律的流体,统称为非牛顿流体,下列不是非牛顿流体的是:A.
果酱
B.
血液
C.
水
D.
沥青
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举一反三
【单选题】低压配电系统的接地形式中,TN系统和TT系统的共同点是( )。
A.
电源侧一点直接接地
B.
电源侧一点经大电阻接地
C.
受电侧设备外露可导电部分直接接地
D.
受电侧设备外露可导电部分经接地的电源中性点接地
【简答题】translate the following sentence to Chinese: Any differentiable function must be continuous at every point in its domain. The converse does not hold: a continuous function need not be differentiable.
【单选题】低压配电系统的接地形式中,TN系统和TT系统的共同点是( )
A.
电源侧一点直接接地
B.
受电侧设备外露可导电部分直接接地
C.
受电侧设备外露可导电部分经接地的电源中性点接地
【多选题】In terms of answering the question, what was the difference between the American professor and the Chinese participants?
A.
The professor would like to give a direct answer from a specific perspective.
B.
The professor does not like to mention personal experiences.
C.
The Chinese participants would like to mention the point at the end.
D.
The Chinese participants tend to offer as much information as possible from a holistic perspective.
【简答题】Translation from English into Chinese: The second step lasts until the temperature falls below the point at which the active metabolism off tops; consequently, the excretion of both lactic acid and th...
【判断题】The Chinese point at objects with an open hand instead of the index finger.
A.
正确
B.
错误
【单选题】低压配电系统的接地形式中,TN系统和TT系统的共同点是
A.
电源侧一点直接接地
B.
电源侧一点经大电阻接地
C.
受电侧设备外露可导电部分直接地
D.
受电侧设备外露可导电部分经接地的电源中性点接地
【简答题】The Fate of P& G's New Shampoo Product “Ascend” in China At the end of the 1990s, the shampoo market was booming in China. With the flourishing Chinese brands, P&G was confronted with a tough time in ...
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