- 相关词组
- pitch diameter ratio螺距直径比
- pluviothermic ratio雨温比
- pinion ratio传动齿轮比
- picture aspect ratio帧面宽高比;图像宽高比
- pitch ratio螺距比
- photosynthetic ratio光合商
- initial proposal初步概算
- population ratio粒子数比
- pit-limit stripping ratio境界剥采比
- contribution margin ratio边际贡献率，边际利润率，边际收益率;
- phosphorus-nitrogen ratio磷氮比
- photosynthesis ratio光合比
- photodetector signal-to-noise ratio光电检波器信噪比
- plastic strain ratio塑性应变比
- picture ratio图像宽高比;图像纵横比
- pitch-chord ratio节弦比
- plant nutrients ratio植物养分比例
- picture-to-sound ratio图像-伴音-载波振幅比
- plasticity ratio塑性比
- poputation-land ratio人地比率
- 今日热词
- 热门搜索
- unlink vt.解开…的环节;取消链接;分（打，拆）开；解环；摘钩；使脱出
- shore n.岸，滨;沿海国家;v.支撑;稳住;
- champion n.冠军;优胜者;斗争者;支持者;v.支持;为…而斗争;捍卫;
- bike n.自行车;摩托车;v.骑自行车/摩托车;
- numb adj.麻木的;迟钝的;v.使麻木;
- 学习通 Learning; i-Learn
- persuasion n.劝说，说服（力）;信仰;
- deliberately adj.故意的;从容的;adv.不慌不忙地;
- zero n.零;零度/点;v.将…调到零;
- lean v.倾斜;倚靠;斜靠;adj.瘦的，脂肪少的;贫乏的;精干的;
- betray v.出卖，辜负;背叛;流露出;
- ipod n.苹果公司音乐播放器；苹果随身播放器abbr.initial phase of ocean drilling 海上钻井平台;
