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...
这个故事是怎么结尾的?How does the story end up?注意在最后一栏中以es结尾的单词.Note the es ending on the words in the last column.那句话结尾的词意思是什么?What's the meaning of the word that terminates the sentence?...
There was a message waiting, denoting that someone had been here ahead of her.有了一条留言，这表示有人已先于她到了这儿。This thesis is a corpus - based study on words denoting wind in MME.本文在语料库数据统计的基础上探讨了航海气象英语中表风的词汇.We have a symbology den...