环面可由矩形把其两对对边分别重叠起来而得到.A torus can be obtained from a rectangle by identifying opposite sides.所以就拓扑学而言, 球和环面是不同的东西.Topologically, then, a sphere and a torus are distinct entities.平面包络环面蜗轮副具有优良的啮合性能,它是一种具有广阔应用前景的传动形式.Worm ...
Long or frequent depravity is a kind of morbidity!长期或经常的堕落就是一种病态!The result shows that incidence of myopia morbidity is 44.84 %.结果表明:近视眼的发病率为44.84%.Objective: The morbidity rate of asthenia cold syndrome in crowd was 9.目...
These include areas like history, literature, mathematic and science.包括历史, 文学, 数学和自然科学.Romberg integration algorithm: a method for integrating mathematic functions, in MATLAB.龙贝格积分算法: 一种方法,把数学函数, 在MATLAB环境中.The mathemati...
The notion that art should be controlled by intellectuals sickened him.他讨厌艺术应由知识分子所掌控的观点。The very notion of price competition is foreign to many schools.价格竞争这个概念对于许多学校都很陌生。Their relationship turned the standard notion of...