雷达的近距离盲区仅取决于脉冲宽度和天线高度。
参考答案：错
Studies show that 'people are more_________ to suffer from back problems if they always sit before
computer screens for long hours. [ ]
A. likely
B. possible
C. probable
D. sure
最简整数比是指，在比中前项，后项是[ ]
A．质数的比
B．互质数的比
C．自然数的比
