When paralleling two AC generators, the frequency of the machine coming on-line, immediately prior to closing its breaker, should be ()
A. slightly less than the oncoming generator frequency
B. the same as the bus frequency
C. slightly greater than the bus frequency
D. the same as the bus voltage
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拍卖人接受委托后对拍卖标的进行鉴定的,如果鉴定结论与委托合同载明的拍卖标的状况不相符、拍卖人有权要求()。
A. 变更鉴定结论
B. 宣布鉴定结论无效
C. 撤销合同
D. 解除或者变更合同
功能码01用于识别本务机司机。
A. 正确
B. 错误
()不是夜行性的。
A. 鼬狐猴
B. 冠狐猴
C. 鼠狐猴