In aviation, showing how far China has come, U. S. regulators now visit the country to see applications of sophisticated satellite-based navigation aids and learn how the U.
在民航业,美国方面正派人到中国参观如何应用精确的卫星导航设备,并学习如何在恶劣天气和极端复杂地理条件下使用这些设备。
In aviation, showing how far China has come, U. S. regulators now visit the country to see applications of sophisticated satellite-based navigation aids and learn how the U.
在民航业,美国方面正派人到中国参观如何应用精确的卫星导航设备,并学习如何在恶劣天气和极端复杂地理条件下使用这些设备。
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