建立了砂轮的球基渐开螺旋面方程和分度球面螺旋线方程,给出螺旋运动参数、螺旋线导程.The mechanism of grinding internal gear of spherical worm emery - wheel is researched.正圆锥螺旋面是正圆柱螺旋面被同轴正圆锥面截得.The ortho cone helicoid was used interrsect intercept by the ortho con...
我写下46这个数字，又画了个圆将它圈起来。I wrote down the number 46 and drew a circle around it.我因感动而写下了几句诗。I have been moved to write a few lines of verse.我转过身，在黑板上写下了题目。I turned around and wrote the title on the blackboard....
她优美的声音迷醉了每个人.Her beautiful voice charms everyone.这是无法形容的迷醉, 是彻头彻尾的放纵.It was an ecstasy beyond description, complete surrender.他已经迷醉于京剧艺术多年了.He has been fascinated by the art of Beijing opera for years....
她将能伸展一下蜷缩的四肢，休息几个小时。She would be able to stretch out her cramped limbs and rest for a few hours.可她却仍然不动弹, 犹如一只蜷缩的, 被人遗忘的动物.Still she was motionless, like a curled up, oblivious creature.最终在已倒塌的大楼的一角发现了他们自己孩子蜷缩的尸体.They fo...
Marco Polo's travelogue mentions that Kublai Khan sent envoys to Malgache.马可波罗游记中提到忽必烈曾派使节到马尔加什.A good paper is not a travelogue of your search process.好的论言语,不是探索过程的游记.This thick, but readable book, is part travelog...