山顶上升气流强度随速矢端迹曲率加大而稍有加强.Peak updraft strength is slightly enhanced with hodograph curvature.轴矢量自身可参与矢积.An axial vector may itself enter into a vector product.每个立体的矢径总是正值长度.The radius vector of each solid is always a posit...
在月底,俱乐部领导人把几个难管的青年搞得服服帖帖.At the end of a month club leader had the unruly youths eating out of his hand.难管的事没人管, 难办的事没人做.Nobody provides the job of difficult canal, nobody does impracticable thing.这个有名的难管的班由那位新老师整顿得很有纪律了...