adj.气象的
A meteorological condition characterized by the uniform expansion in volume of a mass of air over a region, usually accompanied by fair dry weather. 辐散，散度一种天气状况，特征为：在气团均匀地散在某一地区上空，常伴有晴朗干燥天气
An instrument carried aloft, chiefly by balloon, to gather and transmit meteorological data. 无线电高空测候器一种被带到高空(主要由气球)进行气象数据收集和传送的仪器
