lowlandn.低地adj.低地的Lowland.n.苏格兰低地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-lying placenta with intrapartum hemorrhage低置胎盘伴产时出血low-frequency mechanical relaxation instrument低频力学驰豫谱仪low-production and low-permeability oilfield低产低渗透油田Low forward-direction voltage being decreasing低正向压降low-temperature plasma radiofrequency ablation等离子低温消融low power Schottky transistor-transistor logic低功耗肖特基晶体管-晶体管逻辑low-temperature radiant electro-thermal film低温辐射电热膜low-concentration uranium-bearing wastewater低浓度含铀废水low-speed permanent magnet synchronous machine低速永磁同步电机low-temperature reduction disintegration index低温还原粉化率