It incorporates active radar with an inertial referenceunit 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。
2
A topic is a unit of information that describes a single task, concept, or reference item.
主题是一种信息单位，描述了一项任务、一个概念或者一个参考条目。
3
Of 38 blood samples sent to the reference laboratory, Naval Medical Research Unit, NAMRU 3 in Cairo, 13 were confirmed positive for yellow fever by PCR tests.