Cuprous oxide is a type of material called a semiconductor.氧化亚铜是一种所谓的半导体材料.Tin free , polishing antifouling composition with cuprous oxide.含氧化亚铜的无锡自抛光防污涂料.Cuprous oxide and zinc oxide can be recovered from waste copper c...
大多数黄土被认为是一种风成沉积.Most loess is considered to be an eolian deposit.被称为黄土的风成沉积物,在许多地区均有.Wind - deposited sediment called loess occurs in many places.表面上很少显示出风成沙波纹或风成细砾波纹.The surface rarely shows such features as wind ripple...
大卫用的的弹弓和石弹杀死巨人歌利亚.David uses his sling and a stone to kill Goliath.射石炮早期发射石弹大炮的一种.An early form of cannon that fired stone balls.两个男孩把他们赢来的石弹平均分配了.The two boys divided the marbles they won fifty - fifty....
There are eighteen hairpin bends on the way up Mogan Mountain.莫干山上下都是一十八盘.I executed the hairpin turn high on the sheer western face of the mountains.我在山脉西侧陡峭的高处成功地急转弯。The roads twist round hairpin bends.道路呈U字形蜿蜒曲折。I exe...
具有七个顶点的多面体是稀少的.Polyhedra with seven vertices are rare.在所有共享一对伪顶点的二个分量间建立相邻关系.Establish the adjacency relation among all pairs of components which share a pair of pseudovertices.不要轻视上升到光辉顶点的梯阶.Do not despise the step whic...