变压器运行中在铁芯中磁通变化时,产生磁滞损耗及涡流损耗,总称为铜损。()
参考答案:错
VBA的自动运行宏,应当命名为______。
A.AutoExec
B.Autoexe
C.Auto
D.AutoExebat
Questions 1-4
What’s the speaker’s definition of jet lag?()
A.A flight over time zones.
B.A loss of one’s characters.
C.A symptom of leg problems.
D.A condition of sleep disorders.