以下关于全向信标VOR系统,说法正确的是().
A、用于测量飞机的VOR方位角
B、属于非独立导航系统,即他备式导航系统
C、A、B都对
D、A、B都不对
参考答案:C
As is known to us all, under no circumstances______ temporary economic development at the expense of the environment and resources.
A.should we seek
B.we should seek
C.we had sought
D.had we sought
人民法院审理行政案件,当事人或行政机关要求调解的,可以先行调解,达不成一致意见时,再按程序进行审理。