海上移动业务识别码中,MID为412是()的海上识别数字.
赋值语句:a=123& MID(“123456”,3,2)执行后,a变量中的值是()。
中频噪声mid-frequency noise
WAV和MID属于以下选项中()文件的格式。
海上移动业务识别中,MID为412的是()国家
On mid-ocean waters,the height of a wind-generated wave is not affected by the().
The () returns the pump operating rod to mid position as soon as the helmsman stops turning the wheel.
A mid-channel buoy,if lighted,will show a().
In mid-ocean,the characteristics of a wave are determined by three factors. What is NOT one of these factors?()
执行语句s=Len(Mid("VisualBasic",1,6))后,s的值是()