用CDU-D的两个机柜可不可以做一个全向站?()
A、不可以
B、可以,但需要至少4根天线
C、可以,但需要至少3根天线
D、可以,但需要至少2根天线
参考答案:D
The PLA men were highly honoured _____ what they had done for the Earthquake-stricken areas in Yushu. [ ]
A. thanks
B. because of
C. owe to
D. as a result
温热环境对养分需要量有何影响?