The two sub-systems are air data system (ADS) and tactical air navigation system (TACAN).
以塔康系统为例对特定频段导航系统信号进行了分析和模拟。
An AIR application for reading the data written out by the application under test.
一个AIR应用，用来读取被测试应用输出的数据。
Other information and data with respect to the prevention of air pollution.
其他与大气污染防治有关的情况和资料。
Few data on air pollution exposure and risk of venous thrombosis are available.
但是关于空气污染与静脉血栓关系的数据却很有限。
Data processing adopts the method of clean air delivery rate (CADR).
在数据处理方面采用洁净空气量法(CADR)。
You can select the intelligent detection data control system, air pressure boosting device.
可选配智能检测数据管理系统，气压增压装置。
Data Link Communication Equipment Approved by USAF for Civil Air Traffic Control.
美国空军批准的民航空管数据链通讯设备。
Consult the Air Products Material safety Data Sheet (MSDS) for safety information.
要了解安全信息，请参考air Products的材料安全数据表。
Research of Data Generation in Air Traffic Control(ATC) Simulation Training System;
本文研究了空管模拟训练机语音应用系统的设计与实现。
Research of Data Generation in Air Traffic Control(ATC) Simulation Training System;
本文研究了空管模拟训练机语音应用系统的设计与实现。
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