NO7信令链路指标中,链路闭塞率的公式为()。
参考答案:BSC闭塞链路数/信令链路配置总数
生物个体的基因组成叫______,表现型是生物个体的某一具体的______.
--- ________ the stone in the way.
----- Oh, thank you for reminding me.
A.Pick out
B.Take on
C.Look out for
D.Watch out