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...
Can the Dalian IC public transit card brush a light rail?大连IC公交卡能刷轻轨 么 ?Public transit: The capacity of public transit was enhanced unceasingly.公共交通: 公共交通运营能力不断提高.Ask the Beijing station please taking public transit bus ...
他非常庄严地发誓要实现他的诺言.He vowed quite solemnly that he would carry out his promise.在宙斯神像前, 运动员庄严地举行宣誓.Before Zeus, the athletes take a sacred oath.卖花女庄严地走进来.The flower girl enters in state....