And some forecast indexes for the rainy season beginning are found with general circulation features and meteorological elements at Xichang Satellite Launch Center.
并用环流特征和单站要素，找到了某些预报雨季起始期的指标。
Shaanxi province drought months in recent years were analysed by examining the atmosphere general circulation features, drought index S and the signal to noise ratio.
从大气环流特征、干旱指数S及信噪比等三个方面对陕西省近几年干旱月份进行了分析。
Then it discusses the definition of terms, the basic features of terms, the shared and distinctive features between terms and general words, and how to use Circulation to extract terms automatically.
本文概述了术语、术语学、术语数据库研究的必要和国内外研究的现状，探讨了术语的界定、术语的基本特征、术语与一般词语的共同特征和区别特征，流通度与术语的自动提取等有关问题。
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