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【简答题】
某三相交流电机定子槽数为36, 极对数为3, 双层短距分布绕组相邻两槽内导体基波电动势的相位差为 度
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举一反三
【单选题】In an attempt to improve the overall performance of clerical workers, many companies have introduced com- puterized performance monitoring and control systems (CPMCS) that record and report a worker’s...
A.
That workers with the highest productivity would also be the most accurate
B.
That workers who initially achieved high productivity ratings would continue to do so consistently
C.
That the highest performance ratings would be achieved by workers with the highest productivity
D.
That the most productive workers would be those whose supervisors claimed to value productivity
E.
That supervisors who claimed to value productivity would place equal value on customer satisfaction
【简答题】指沿垂直杆长度方向的截面,轴线是指各截面的形心的连线,两者具有相互垂直的关系。
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