无电流间隔时间
参考答案:
是指断路器自动重合闸过程中,断路器跳闸各相电弧熄灭起到断路器重合触头预击穿为止的一段时间。
句型转换 根据要求改写句子,每空一词。(本大题共6分,每空0.5分)
小题1:Wuxi is about 4,787 square metres in size. (改为同义句)
Wuxi ______ ______ ______ ______ about 4,787 square metres.
小题2:There is something wrong with my watch. (改为一般疑问句)
______ there ______ wrong with ______ watch?
小题3:Don’t miss the flower show in Plum Garden. (用next year改写句子)
I ______ ______ the flower show in Plum Garden next year.
小题4:Millie and Suzy want to go to Wanda cinema on Sunday. (对划线部分提问)
______ cinema do Millie and Suzy want to ______ ______ on Sunday?
非空的循环单链表head的尾结点(由p所指向),满足( )。
A.p→next==NULL
B.p==NULL
C.p→next=head
D.p=head