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【简答题】
功率因数:又称为 ,英文缩写 PF(Power Factor),是 与 的比值。
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【简答题】2 If you want to use a sharing bike, you must first _________.A. download an APP and pay for the trip B. have a smart phone and download an APP C. unlock the bike and download an APP D. find a nearest...
【单选题】Bike sharing is a case of radical innovation ...
A.
Based on the innovation of meaning
B.
Based on the innovation of technology
C.
Based on human centered design
【单选题】—It is reported that there are ________ bikesharing app users in China now. —Yes, bikesharing service has brought us great convenience.
A.
five millions
B.
five millions of
C.
million of
D.
millions of
【简答题】我国土壤分布有什么规律?请列出我国东部沿海地带从南到北的地带性土壤名称。
【简答题】以下最不适合用无领导小组讨论法进行人员选拔的岗位是（ ）。
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