- 相关词组
- principal axes of a body刚体的主轴
- principal distance of projector投影器主距
- principal axis of stress tensor应力张量主轴
- principal axis of inertia惯量主轴
- principal equation of gravimetric geodesy重力大地测量基本方程
- principal direction of curvature主曲率方向
- principal curvature of a surface曲面的主曲率
- principal invariant of tensor张量的主不变量
- principal axis of stress应力主轴
- principal axis of quadric二次曲面的主轴
- principal axis of ellipse椭圆主轴
- principal composition series of subgroups主组成子群列
- principal axis of compliance柔性主轴
- principal centers of curvature主曲率中心
- principal distance of camera摄影机主距
- principal artery of thumb拇主要动脉
- principal angle of incidence主入射角
- principal axis of strain应变主轴
- principal distance of photo像片主距
- principal axes of strain主应变轴
- 今日热词
- 热门搜索
- light n.光;发光体;点火物;眼光;亮色;窗;v.照亮;点燃;用光指引;
- generation n.一代人;一代;一批;产生;代;，一届;一辈(通常认为大约30年);同辈人adj.第…代的;
- heaven n.天;天堂;上帝;极乐;
- cater v.满足…的需要;接待;考虑到;提供饮食;承办酒席;
- Canada n.加拿大;
- 利物浦 Liverpool;
- break vt. （使）破;打破（纪录）;（常指好天气）突变;开始;vi. （嗓音）突变;突破;破晓;（价格）突然下跌;
- ket n.态矢，刃;
- if conj.如果;假若;倘若;当;无论何时;每次;与will或would连用，表示客气地请求;即使，虽然;〈口〉是否;假设;n.条件，设想;不确定的情况
- them pron.他们;她们;它们;指性别不详的人时，用以代替him或her
- ha int.（表示惊讶、欢乐、怀疑等）哈，嘿;
- PRK abbr.停车场；炮场;朝鲜（民主主义）人民共和国(People's Republic of Korea);专业的研究和知识
