Analyzed press technology characteristics of vent - windows of the car side board, designed a lancing - drawing compound die.分析了车厢侧板零件通风窗冲压加工的工艺特点, 设计了一副针对该零件加工的切口拉伸复合模....
Comparatively rudimentary interferometer observations suggested that this source is about 1.5 across.不很精确的射电干涉仪观测表明,这个源的角径约为1.5弧秒.The light is resolved by prisms, gratings, or by an interferometer.光线用棱镜 、 光栅或干涉仪分解.optica...
The lack of rain aggravated the already serious lack of food.缺少雨水加重了业已严重的食物短缺。In particular, the dumbness would appear to be aggravated by stress.特别是, 压力会让沉默变得更为严重.The war has aggravated an acute economic crisis...战争加剧了原...
He passed an electric spark through a mixture of gases.他让一束电火花穿过了一团混合气体。Some bright spark turned the heating off last night!某个聪明过头的家伙昨晚把暖气关了。His music lacked that vital spark of imagination.他的音乐缺少非常关键的那一点灵感。...