...资讯网 TH PACIFIC 分析了太平洋经向模(Pacific Meridional Mode,PMM)和西北太平洋热带气旋生成频数(Tropical Cyclones Number,TCN)变化的关系.
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number of tropical cyclones 热带气旋频数
The number of tropical cyclones(TCs) landed in Guangdong in 2004 is less than those of normal years, and there were no tropical cyclone landed in the western Guangdong.
2004年登陆广东的热带气旋只有2个，个数明显偏少，粤西无热带气旋登陆；
A time-delayed correlation analysis between cold high pressure in winter and the number of tropical cyclones in summer for the period of 1989~1997 has been made.
本文对1989～1997年冬季冷高压气压场与夏秋热带气旋发生个数进行时滞相关分析，发现，两者间隔以后滞7个月为显著正相关。
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