average annual rainfall是什么意思

用法例句

By using 40-yearly NCEP reanalysis daily grid data (1958～1997), we have analyzed the 40-yearly mean climatic characteristics of maintaining period of the South China Sea(SCS)(105～120oE, 5～20oN) summer monsoon pentad by pentad.

使用NCEP的1958~1997年逐日格点气象资料,对我国南海地区(105~120°E,5~20°N)夏季风维持期40年平均的气候特征进行了分析,分析时间尺度是候。

Preparation procedure for Gengnianping granules;

更年平颗粒的制备工艺研究

Determination of Psoralen and Isopsoralen in Gengnianping Capsules by HPLC;

HPLC测定更年平胶囊中补骨脂素和异补骨脂素的含量