The scenario selected for this demonstration is a simplified Air Traffic Control scenario. Routing space based on radio communication scenario is constructed. The object attribute table and inter…

描述了一种简化的空中交通控制剧本，用于无线电通信仿真，并以此设计了无线电通信的路由空间，给出了对象的属性表和互操作参数表。

youdao

Through analysis of concentration change with time and space of mian air pollutants, some causes of the change regularity are expounded, being useful for pollution forecasting and control.

通过分析大气中主要污染物浓度的时空变化，阐明形成此规律的原因，对大气污染物的预测和防治具有一定意义。

youdao

Hot air circle device can evenly send hot air to everywhere of sealed space by inside passage, to control the internal temperature and gradient in sealed space.

热空气循环系统将热空气通过内部风道均匀送到封闭空间的每个地方，严格控制封闭空间内的温度及温度梯度。

youdao

There is Space Air's environmental control system that keeps household air fresh and at the right temperature.

BBC: Home of the future mock-up

Aviation experts contend that even if intruders were able to access a control tower and disrupt operations, the nation's air traffic control system is designed with multiple back-ups so that other facilities could pick up control of the affected air space.

CNN: Union claims security lax at many air control towers

The impetus behind the president's space control veto, and the Air Force's scorched-earth reaction to it, appears to be political.

CENTERFORSECURITYPOLICY: Clinton Policies Would Disarm U.S. Space Capabilit