同一台电动机在最初起动转矩相等的情况下，转子串接对称电阻与不对称电阻，两者机械特性完全相同。
参考答案：错
It is a worldwide custom that the energetic young are ______ for their youth and creativity. [ ]
A. admired
B. looked forward to
C. respected
D. looked on
冷藏保存用于电解质分析的标本，会引起（）.
A.血清钾增高
B.血清钾降低
C.血清钠增高
D.血清钠降低
E.血清氯增高
