哈勃望远镜的工作寿命一而再地得到了延长，航天飞机宇航员也完成了5次维修任务。他们不仅修复了出故障的元件，而且为仪器升了级，给仪表更换了电池。
Hubble's life has been extended time and again through five servicing missions in which space shuttle astronauts have fixed faulty components, upgraded instrumentation and replaced batteries.
二极管主要用于军工、航天、船舶、通信、铁路、计算机、电视机、显示器、空调等家用电器及仪器仪表各个领域；
The diodes are mainly used for military, spaceflight, shipping, communication, railway, computer, TV set, display, air-condition and etc.
目前北京兴华机械厂已把惯性制造技术提高到一个新的水平，成为具有相当实力的航天惯性仪表制造基地。
Beijing Xinghua Machinery Factory has pushed forward the inertial manufacturing technology to a new level and become a strong manufacturing base of aerospace inertial instruments till today.
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