气象常用绘图软件GRADS讲义，非大气所版本，内容以样例为主，较为实用。-Weather GRADS notes commonly used mapping software, the version of non-atmospheric, sample-based content, more practical.

GRADS处理grib数据时，必用的工具，用于产生GRIB数据的CTL文件。-GRADS handle grib data, will use the tools, used to produce the GRIB data file CTL.