距离分辨率
参考答案:
脉冲发射的方向上,能分辨两个目标的最小距离
—Do you think we should accept that offer?
—Yes, we should, for we ________ such bad luck up till now, and time ________ out.[ ]
A. have had; is running
B. had; is running
C. have; has been run
D. have had; has been run
下图为南京解放时的欢庆场面。请你判断,这一场面的出现与下列哪一次著名战役有关
A.淮海战役
B.辽沈战役
C.渡江战役
D.平津战役