随着我国改革开放的深入和经济的增长,民航业也得以飞速发展,对外开放的机场逐年增多,机场的国际航班大量增加,航行情报服务任务日渐繁重,作为航行情报服务最基本也是最重要内容之一的 With the deepening of our country’s reform and opening up and the economic growth, the civil aviation industry has also been able to develop rapidly. The number of open-air airports has been increasing year by year. The number of international flights at the airport has increased greatly. The task of navigational intelligence services has become increasingly heavy. As the most basic and important content of navigational intelligence services One of them