将一张黑白底片冲印到彩色相纸上会产生相似的单色效果。Printing a black-and-white negative on to colour paper produces a similar monochrome effect.一般来说，单色的地毯使房间显得更宽敞。In general, a plain carpet makes a room look bigger.此材料必须对该激光器的单色辐射敏感.The material ...
The pumps must be of the low shear Archimedes screw type.泵必须是低剪切力的阿基米德螺旋式泵.These results parallel Archimedes'geometric theorems.这些结果可与阿基米德斯的几何定理相比.Archimedes flourished in the 3 rd century B.C.阿基米德活跃于公元前三世纪;阿基米德是公元前...