The ortho cone helicoid was used interrsect intercept by the ortho cone helicoid and the cylinder.正圆锥螺旋面是正圆柱螺旋面被同轴正圆锥面截得.The surface obtained when every point on the edge generates an involute is called helicoid.表面获得了在边缘...
He fearlessly lammed into his attackers, and soon they all fled away.他勇猛无畏地痛打袭击者, 很快他们都逃跑了.He appealed for information from anyone who saw the attackers.他呼吁任何看见袭击者的人提供信息。They issued an ultimatum to the police to rid an a...
Olivine has been completely altered to serpentine, talc, and amphibole in the bore - hole examined in detail.钻芯详细检查的结果,橄榄石全部蚀变为蛇纹石 、 滑石及角闪石.Jadeite jade consists of minerals of pyroxene, amphibole and feldspar groups.翡翠由...
大麦是禾谷作物中较为耐盐的粮食作物.Barley is one of cereal crops with salinity tolerance.这种有机体是适度耐盐的,需求盐酸硫胺, 并且易受生物素和盐酸刺激.The organism was moderately halotolerant, required thiamin. HCl and was stimulated by biotin and nicotinic acid....