By Careful Selection经过谨慎挑选

By Menu Selection通过菜单选择

Marked by random selection以随机选择为特征的

by-selection含义

antijamming by frequency selection频率选择抗干扰

All by BOSS Selection灰色双排扣西装套装

antijamming by azimuth selection方位选择抗干扰

STAND BY GEN SELECTION备用机组选择

Evolution by natural selection自然选择

layer by layer selection逐层确定