- 重点词汇
- 相关例句
I'll clear out that closet and then you can hang your clothes in there.
我将把那衣柜空出来,然后你可以在里边挂你的衣服.
词典精选例句
The element within a vacuum which is the source of electronics is known as the cathode.
真空管中作为电子来源的那个元件,叫做阴极.
词典精选例句
Ultraviolet sensitive photocathodes are also used in cameras in rocket and balloon-bome experiments.
火箭和气球实验的电子照相机中,还使用紫外敏感的光电阴极.
词典精选例句
The interior of the tube must be kept a hard vacuum to preserve the photo cathode.
显象管内部一定要保证高真空才能保护光电阴极.
词典精选例句
