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...
She caught a coolly calculating glint in the other woman’s eye.她看到另一个女人眼中闪现冷厉而有心计的目光。He came up to me with the glint of triumph in his eye.他向我走来，眼里闪现出一丝胜利的神情。...a glint of silver.银光闪闪Was there a glint of mockery in his e...
这枚戒指是为她订做的。The ring was specially made for her.他挂上电话,朝克丽丝订做了个鬼脸.He grimaced at Christine as he replaced the phone.产品形状,材料,规格均可按客房要求订做.The size, shape and material are make by client's require....