low go低空飞过(目标等)lowadj.低的；少的；低落的；低声的；卑劣的；低等的adv.低地；低声地；低下地；廉价地n.低水平；低价；低谷v.哞哞叫Low Keeping Voltage弱保持电压low cyclonic vortex中尺度低涡low productive crop低产作物low-high repeater低-高增音机low speed collision低速碰撞low cost automation低价自动化low-friction film[化] 低摩擦膜low channel antenna低频道天线low orbit satellite低轨道卫星low-keyed picture软调图像