在 1691年 的《学报》中詹姆士?伯努利推导出跟踪曲线的方程.In the " Acta " of 1691 James Bernoulli derived the equation for the tractrix.伯努利是个瑞士科学家,曾于1752年为轮船的螺旋浆绘制图纸.Bernouili was a Swiss scientist who described a screw for ships in 1752.采用满足伯努利分...
The Galactic Dust in Corona Australis: Two blue - reflection nebulae.南冕座星尘内,两个星云焕发着梦幻般的蓝色光辉.aurora australis南极光OBJECTIVE : To establish an assay of quercetin and kaempferol in the seeds of Cuscuta australis R.目的: 建立南方菟丝子...
一位女职员得了流感。One of the office girls was down with the flu.特迪咂了咂舌头，活像个不以为然的英国女舍监。Teddy clucked his tongue like a disapproving English matron.他过去曾与许多女演员和女小说家调情。In the past he dallied with actresses and lady novelists....
Two hermits lived in a cave far from civilization.两个隐士连个隐士住在远离村庄的山洞里.These letters revealed her wit and civilization.这些信流露出她的教养和才华.He is remembered for his generosity and civilization.他因慷慨和良好的教养而被人们怀念....
这两家伦敦的俱乐部是该级别里仅存的保持不败的球队。The two London clubs are the only undefeated teams in the division.我们队一直到最后一场都保持不败的纪录.Our team played through right up to the last game.周三切尔西将向主场52场不败的记录前进.Chelsea go into Wednesday night's ...
在全国所有的工人中,可能烟煤矿工不满的理由最充分.Of all the workers in the country bituminous miners probably had best grounds for discontent.烟煤一般被视作一种质地均匀一致的产品.Bituminous coal is often treated as a consistent and homogeneous product.是一家专业生产销售烟...
她总是避免与人深交.She's always shied away from close friendships.他与当时许多杰出的文人有深交.He was intimate with many of the greatest minds of his day.我总是避免与人深交.I've always shied away from close friendships....