双凸;
Talking about Structure Broadening Methods of Double-convex Arch Bridge
浅述双曲拱桥结构拓宽方法
But because of switched reluctance motor ( SRM) double convex type structure make motor in turns easy to produce great torque ripple and noise.
但由于开关磁阻电机(SRM)的双凸式结构使电机在转动时易产生极大转矩脉动、噪声。
The Application of Double Convex Combustion Chamber to 4-stroke Engine
双凸型燃烧室在四冲程发动机上的应用
By the method of matrix optics, the waist width and imaging distance of Gauss beam through the self-focusing micro lens system and the double plan convex lens coupling system are deduced.
利用矩阵光学方法,分别推导了高斯光束经双平凸镜耦合简和自聚焦微透镜两种耦合系统聚焦后的束腰宽度和像距的计算公式。
简答网 · 高考英语
简答网 · 双语娱乐资讯
简答网 · 双语新闻
简答网 · 中考英语