The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.作者证实:单叶双曲面和双曲抛物面是直线曲面.The mathematical model of the hyperboloid twist drill was introduced.介绍了以旋转单叶双曲面作麻花钻钻尖后刀面的数学模型.The...
a prevailing set of cultural values一套盛行的文化价值观The prevailing westerly winds gave the battle advantage to the English admirals.盛行的西风助了英国海军将领们的一臂之力.Our guideline would be the prevailing world market prices.我们要以当时的国际市场的价格为准绳...
两名法官和六名大众陪审推事判决怀特终身监禁。Two judges and six lay assessors sentenced White to life in prison.到19世纪中期，大众制陶业得到了发展。The popular ceramics industry expanded towards the middle of the 19th century.该中心普通大众可随意进入。The Centre is easily ...