Except for the sharp clicking of Chueh - hsin's abacus counters, all was still.房里只有算盘珠子的接连的 、 清脆的响声.The abacus is the ancestor of the modern computer.算盘是现代电脑的原型.She can reckon rapidly on the abacus.她用算盘算得很快....
雕刻刀: 雕刻铜版用的槽形钢刀.Graver: V - shaped steel cutting tool used by engravers . Also called burin.凹版印刷包括照相凹版,模型压印, 铜版凹印和移印.It includes gravure, die stamping copper - plate engraving and pad printing.这些铜版本身也还来不败为很宝贵的艺术品.These a...
The nozzle with 4 swirl slots is propitious to atomize at low pressure for serous lime.4槽旋流喷嘴最利于石灰浆液的低压雾化.Its discovery engendered the'sudden freezing " approximation for relaxing nozzle flows.这一事实的发现导致了松驰喷管流动 “ 突然冻...
In addition to the impressiveness of the settings , there is a use of the camera which at times seems magical.除了布景的感染力外, 摄影机的使用技巧有时显出不可思议的效果.Such impressiveness usually takes the form of a truly grandiose realism.这种感人的情景...