基干路由有什么特点?
参考答案:
基干路由的特点是呼损率小于等于1%,且其话务量不允许溢出至其他路由。
, and you will realize your dream of being successful.
A.Making great efforts
B.To make your efforts
C.A bit more effort
D.If you double your efforts
函数Mid("123456789",3,4)返回的值是______。
A.123
B.1234
C.3456
D.456