Last November, the occultation took place.

去年11月，掩星出现了。

Discuss the radio occultation technique in details.

详细描述了无线电掩星的基本技术原理。

There are an abundance of the lunar occultation records in ancient China.

我国古代有相当丰富的月掩星观测记录。

The radio occultation technique is a new way to explore the Earth's atmosphere.

无线电掩星技术是一种探测地球大气的崭新途径。

Progresses abroad and at home in GPS radio occultation technique are briefly introduced.

介绍了国外、国内GPS无线电掩星技术研究进展。