But on a recent surveillance flight over the forest frontier in Brazil's state of para, there was hardly a wisp of smoke in the sky.
但在最近一次在巴西帕拉州雨林边界上空的侦察飞行中，空气中竟然连片缕烟丝都没有。
The Launch and Test Range System includes ground-based surveillance, navigation, flight operations and analysis, command and control, communications and weather assets for space missions.
发射和测试系统包括空间飞行的地面系统任务的监视，导航，飞行操作和分析，指挥和控制，通信和气象资产。
Rockwell Collins Supplying the communication, navigation and surveillance systems on the C919, as well as the in-flight entertainment system and cabin core system.
罗克韦尔柯林斯公司提供通信，导航和监视系统，还有机上娱乐系统和客舱核心系统。
The Pentagon said on Monday it had dispatched a surveillance aircraft and a search and rescue team to help Brazilian and French aircraft as the hunt for Flight AF447 continued in the dark.
美国五角大楼在周一表示，已派出一架侦查飞机和救援队，以帮助巴西和法国飞机尽快找到下落不明的AF44航班。
On the basis of the system architecture and working flow of military aviation surveillance, a verifying solution is planned and associated experimentation is conducted on a real carrying flight.
在详细分析了军事航空监视的系统结构和工作流程的基础上，设计了真实飞行搭载试验的演示验证方案并进行了相关试验。
However, the forewarning management function of the flight character surveillance needs to be enhanced.
然而，飞行品质监控的预警管理功能亟待加强。
This paper describes the airspace surveillance means in the work of air traffic control and the calculation of the distance between the flight object approaching the airspace and the airspace.
本文主要介绍在航空管制工作中飞行空域监测的意义，以及逼近空域的飞行目标到空域距离的计算方法。
And we have developed subsystem of surveillance in system of show control of flight information in Xinzheng Airport Penthemeron by adopting method of software development based on component.
并采用基于构件的软件开发方法开发了新郑机场候机楼监视和航班信息显示控制子系统。
And we have developed subsystem of surveillance in system of show control of flight information in Xinzheng Airport Penthemeron by adopting method of software development based on component.
并采用基于构件的软件开发方法开发了新郑机场候机楼监视和航班信息显示控制子系统。
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