Satellite navigation systems shouldn ’ t be the only way , independent radio area navigation system should be developed with great effort 卫星导航系统不能作为唯一的导航手段,应重视发展自主的陆基区域无线电导航系统。
Nowadays the algorithm theory of firing efficiency in the conventional continent - based missile weapon system lags behind the factual need of missile operation 摘要现行的陆基常规导弹武器射击效率的算法原理滞后于导弹作战实际需要。
And with the seas increasingly depleted by overfishing , much of the world is turning to china ' s land - based fish farms to meet growing demand 随着海洋资源因过度捕鱼而枯竭，为了满足增长需求，大多数国家和地区正转向中国的陆基渔场。
Radio navigation makes use of wireless wave , which can be divided into land - based and space - based system according to the position of base point 无线电导航是利用无线电电波的波速进行导航的方法，根据导航基点可分为陆基导航和空基导航。
Instead , the service speaks of using terrestrial - based systems to cause “ temporary and reversible effects ” to disable an adversary ' s space assets 作为替代，军方开始讨论使用陆基系统以产生“暂临时性可恢复的杀伤”来使对手的空间资源失效。
Astrophysicists working with ground based detectors at the south pole and balloon borne instruments are closing in on such structures , and may report their findings soon 天体物理学家使用南极陆基探测器及球载仪器，正越来越近地观测这些云系，也许不久会报告他们的观测结果。
5 astrophysicists working with ground - based detectors at the south pole and balloon - borne instruments are closing in on such structures , and may report their findings soon 天体物理学家使用南极的陆基探测器和球载仪器越来越靠近地观察这些云系,不久就有可能报告他们的观测结果
Astrophysicists working with ground based detectors at the south pole and balloon borne instruments are closing in on such structures , and may report their findings soon 天体物理学家使用南极陆基探测器和球载仪器，正在越来越近地观测这些云系，也许不久会报告他们的观测结果。
The ground - based midcourse defense system , as it is called , will start off with no more than 10 “ hit - to - kill ” interceptors designed to collide directly with incoming missiles in space 在初期，陆基中层防御系统只有10枚以下的击杀拦截载具，设计用来在太空直接撞击并摧毁来袭飞弹。
