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1·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。

2·In 1919, the International Commission for Air Navigation (ICAN) was created to develop General Rules for Air Traffic.

1919年，国际航空委员会(ICAN)成立，并开始制定空中交通通用规则。

3·User charges means a charge imposed on airlines for the provision of airport, air navigation, or aviation security facilities or services including related services and facilities.

“使用费”，指提供机场、空中导航或航空保安设施或服务，包括相关服务和设施，而向空运企业收取的费用。

4·The main activity of air Navigation Services of the Czech Republic (ANS CR) is the control of civil aviation operating in the Czech Republic airspace and at major international airports.

该组织(ANS CR)的主要活动是代表民航空管部门，管理捷克斯洛伐克共和国的空域和主要国际机场。

5·Smart power grids, GPS navigation, air travel, financial services and emergency radio communications can all be knocked out by intense solar activity.

智能电网，GPS导航，飞机航行，金融服务，以及紧急无线电联络都可能受剧烈的太阳活动波及无法正常运行。

6·These would detect unpleasant air pockets ahead, allowing the aircraft to adjust its navigation automatically, without assistance from the pilots, and the passengers to glide gently through the air.

飞机将提前检测到不舒适的气流，允许飞机自动调整航行，而不用飞行员的帮助，从而使旅客更轻缓的穿过气流。

7·The main theories are errors by the pilot or by the air-traffic controllers, a technical problem with the navigation equipment or some combination of these.

主要推断是飞行员驾驶失误或由于空中交通管制，导航设备出现技术故障或者是两者共同所致。

8·Thomas Cook could sell some of its seven hotels or its 6% stake in National Air Traffic Services, a navigation provider.

托马斯·库克可以卖掉它的七家宾馆中的几家，或者它6%的国家航空交通公司(一家提供导航义务的公司)的股份。

9·Singapore must therefore support the freedom of navigation at sea, in the air, as well as on the Internet.

新加坡因此必须支持海上、空中以至于网际网络上能自由通行。

10·Car theft, equipment, including radio, air conditioning, navigation systems, audio combination, airbags.

车内装备，包括防盗、无线电、冷气、导航系统、音响组合、安全气袋之类。