low age低龄化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 carbon Al-killed steel低碳铝镇静钢low frequency magnetic field低频磁场Low temperate and weak light低温弱光low olwer limiting frequence低下限频率Low Collateral Damage Weapon低间接消耗武器low-grade metamorphic rock浅变质岩low temperature refrigerator低温冰箱low-velocity beam scanning低速电子束扫描low frequency eleetrotherapy温热式低周波Low-Cost Anti-Jam System低成本反干扰系统