ATM中异步就是( )
A.不同步
B.时分复用
C.虚电路
D.随机发送信元
参考答案:D
with the size of the whole earth , the biggest ocean does not seem big at all .
A.Compare
B.When comparing
C.Comparing
D.When compared
什么抗凝剂最适宜于血液常规检验?试简述其原理。