It incorporates active radar with an inertial reference unit and micro-computer system, which makes the missile less dependent upon the fire-control system of the aircraft.

它把主动雷达和一个被动参考单元以及微电脑系统结合在一起，可使得导弹更少的依靠飞机上的发射控制系统。

youdao

There should be ample natural light, for example, entering through the windows and no open air shafts in the middle of the unit. Also, space should not abut fire-escape stairs.

比如说，房间的自然采光需要非常充足啦，建筑空间的中部不能设置通风口啦等等。

youdao

Article 5 Any unit and individual shall have the obligation of keeping fire control safety, protecting fire control facilities, preventing fire disaster and reporting fire alarm.

第五条任何单位、个人都有维护消防安全、保护消防设施、预防火灾、报告火警的义务。

youdao

The 33-year-old head of a Spanish fire fighting unit has been accused of setting about 15 fires in the Galicia region.

BBC: NEWS | Europe | Inside the mind of the fire starter

The unit was supposed to come back online one week earlier after being shut down for scheduled repairs March 26, but the schedule was impacted by a fire at Unit 3 of the plant.

FORBES: Venezuela's Dodgy Energy Data

The large farrowing unit suffered severe fire damage and none of the pigs survived.

BBC: Hundreds of pigs die in Beaminster farm fire