The decrease of thunderstorm reflects the climate change and is consistent with the climatological variation of rain days in the province 广东雷暴、闪电的减少是气候变化的一个反映，它们与广东省雨日的气候变化比较一致。
2.
The result indicates that key stages include the growth stage of late autumn treetop 、 bud differentiation stage and anthesis stage , and that key climate factors are temperature , precipitation , rainfall days and sunlight time 结果表明：气候条件影响广西地区龙眼产量的关键时期为晚秋梢生长期、花芽分化期和开花座果期，关键气候因子分别为气温、雨量、雨日和日照时数。
3.
The climate change characteristics of precipitation in the west region of china have been analyzed and studied comprehensively based on the data of yearly , seasonal , monthly precipitation sequence and the number of rainy days on yearly . seasonal and temperature departure sequence of the globa , the northern hemisphere during the period of 1961 to 2000 at 109 stations in the west region of china 本文利用中国西部地区109站1961年到2000年年降水序列、季降水序列、月降水序列，中国西部109站的年、四季雨日数，全球、北半球1961年至2000年年、季温度距平序列，对中国西部降水的气候变化特征进行了全面研究。
