如何在短短的十几分钟观测发报时间内能把恶劣天气准确编报，并对观测编报技术提供可借鉴的经验。
It provided the experience in the report-making of ground-based observations accurately, especially during the complex and severe weather.
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。
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.
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