利用1 951年至1 996年地面气象记录资料，计算了我国全年和季节降水量长期变化趋势特征指数。
By using surface data from 1951 to 1996, the long term change trend index of annual and seasonal precipitation of China is calculated.
结果表明：年降水量、季节降水量、年空气相对湿度和季节相对湿度均呈明显下降趋势。特别是夏、秋季下降趋势更加显著。
The results showed that annual and seasonal precipitation and relative air humidity all took on an evident downtrend, more prominent in summer and autumn.
石河子绿洲的温度、降水量以及空气湿度具有明显的季节变化特征。
The variation characteristics of temperature, precipitation and air humidity in the Shihezi Oasis have apparent seasonal.
降水的季节变化我国各地降水量季节分配很不均匀，全国大多数地方降水量集中在五月到十月。
Seasonal changes in precipitation across the country, rainfall distribution is very uneven season. Precipitation in most parts of the country concentrated in the May to October.
乌鲁木齐河流域的季节积雪受气温、降水量、水汽来向、山坡朝向、海拔和下垫面性质所控制和影响，具有明显的空间变化规律。
The seasonal snow cover in Urumqi River Basin varies temperally, influenced by air temperature, precipitation, moisture source, slope direction, elevation and ground surface condition.
本文基于中国551站1961 ~ 2000年的逐日降水资料，对不同季节和全年降水量的变化趋势进行了分析。
Based on the daily precipitation data of 551 stations in China from 1961 to 2000, the varying tendencies of precipitation have been analyzed in the seasonal and annual variation.
结果表明，高原地区和平原地区的可降水量有明显的地区性及季节性变化。
The results that there are obvious regional and seasonal variations of PWV in plateau and plain areas.
结果表明：降水量的年度变化及其季节分配直接导致了克氏针茅草原群落初级生产力的年度波动；
The results show that annual changes and seasonal distribution of precipitation led to the fluctuation of the primary productivity of the community;
月总降水量变化序列的复杂度小于季节和年总降水量序列的复杂度。
The mean complexity of monthly precipitation is little than that of seasonal and annual series.
本文论述了安徽省降水量不均匀性的主要表现特征——区域分布不均、季节变化明显和年际变化大；
The paper discusses the main features of amount of irregular precipitation in Auhui province -regional distribution unequelity, evident seasonal variation and great variation between years.
土壤含水量的季节性变化，与降水量的季节性变化密切相关。
The seasonal change of soil moisture had closed correlation to seasonal change of precipitation.
除冬季外其余各季节的降水量均呈减少趋势，秋季减少最明显。
Precipitation in other seasons showed a decreasing tendency except winter, and the most obvious reduction happened in autumn.
除冬季外其余各季节的降水量均呈减少趋势，秋季减少最明显。
Precipitation in other seasons showed a decreasing tendency except winter, and the most obvious reduction happened in autumn.
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