两个不确定度分量相互独立则其相关系数为()
A、0
B、1
C、-1
D、其它
参考答案:A
No matter the weather is like,you can always find people _ in the sea.[ ]
A. what ; swimming
B. how ; swimming
C. what ; to swim
D. how ; to swim
以下机场与对应的三字代码正确的是()。
A.广州 CAN
B.长沙 CSA
C.合肥 HFT
D.天津 TXN