英语翻译curvature of the earth's surface is a factor that cannot be neglected in obtaining even rough values of elevations.这句话的大体意思是测高程值时地球曲率的影响是一个不能忽略的因素.我想知道这句话里的ev

center of curvature是什么意思 英语翻译curvature of the earth's surface is a factor that cannot be neglected in obtaining even rough values of elevations.这句话的大体意思是测高程值时地球曲率的影响是一个不能忽略的因素.我想知道这句话里的ev Driving in your car with a constant speed of 12 m/s,you encounter a bump in the road that has a circular cross-section.The radius of curvature of the bump is 36.4 m.At what speed must you go over the bump if people in your car are to feel weightless When the chair is adjusted to best suit the user,the backrest shape is adjusted with six straps in such a way that the lumbar curve and curvature of the spine of the user are supported as much as possible求翻译,另重重有赏 下句（见补充说明）的从句部分是什么语法结构?The reflection principles apply even when surfaces are curved as long as the curvature of the surface is smooth,that is,as long as there is a plane tangent to the surface at the point of 英语翻译source of the 英语翻译the shape of THE LOSS OF 英语翻译 英语翻译The Power of Will the importance of trees.英语翻译 英语翻译of the culture too. 英语翻译the eigenvalues of G. 英语翻译The pla of nowadays? 英语翻译Swear of the noun 英语翻译the balance of loveright? 英语翻译the smell of preparation 英语翻译THE PHANTOM OF THE OPERA 英语翻译on the eve of the festival