每晚你都会听见炼钢厂的下班哨声。Every night you could hear the whistles of the steel mill.夜晚炼钢厂的上空闪着暗红色的光.There was a dull red glow in the night sky above the steelworks.炼钢厂排放出的硫形成了酸雨。Sulfur emissions from steel mills become acid rain....
The natural logarithm of this ratio is called the logarithmic decrement.此比率自然对数称为对数的减量.The characteristic of the logarithm 6.3214 is 6.对数6.3214的首数是6.His first designs were for a machine to calculate such things as logari...
The effect was first studied by Etienne Malus in 1808.这个效应是马吕在1808年开始研究的.Beitang irregular rectangle, surrounded by stacked rubble shore, Malus Halliana.北塘呈不规则矩形, 四周叠石堆岸, 杨柳垂丝.A preliminary study on G - banding patterns ...