马鞍形 meaning in English
saddle-shaped; the shape of a saddle; a falling-off between two peak periods
◇马鞍形车床 gap-bed lathe; 马鞍形锅炉 [房] saddle boiler
Examples
- A saddle - shaped hole grooving machine for pressure vessel was introduced . a method for processing saddle groove and the designing of a technical background were put forward
摘要介绍了一种压力容器壳体开孔马鞍形坡口加工机械的设计背景技术，给出了马鞍形坡口加工的一种实现方法。 - The space geometry is open and negatively curved as a saddle . if the density equals to the critical density exactly , the space is flat as a sheet of paper . if the density is greater than the critical density , the space geometry is closed and positively curved as a ball
为负马鞍形的开放宇宙假若密度和临界密度相等，空间曲率为零，宇宙如一张白纸般平坦假若密度高于临界密度，它则是一个空间曲率为正球形的封闭宇宙。