从而为范成法加工任意齿形的齿轮奠定了理论基础.Then, a theoretical foundation is established for gear generation with arbitary profile.本文采取计算和实测方法分析了齿轮滚刀重磨后齿形的变化,认为齿面畸变是重磨齿形误差的主要原因.It is believed that the flank distortion is the main reason of ...
开发商们坚称这个耗资8,000万的居住区不会破坏风景。The developers insist the 80m village will not leave a blot on the landscape.在居住区后面，北边和西边陡然高耸着砂岩悬崖。Behind the habitations, the sandstone cliffs rose abruptly to the north and west.此间白人居住区的犯罪率正在...
They saw a squadron of fifteen motorcycle policemen driving in V-formation.他们看见15名警察骑着摩托车排成V字形前行。He was flying in formation with seven other jets.他和其他7架喷气机一起列队飞行。The aircraft are flying in formation.飞机编队飞行....
我觉得每天都在遭受失望的打击。I felt like I was being kicked in the teeth every day.他们的话是对我自信心的一次重大打击。What they said was a real knock to my self-confidence.你还未准备好，问题就会突然出现并打击你。Problems will crop up and hit you before you are ready....