热带西北太平洋西部热含量增加时，副热带高压脊点偏西，移入南海的热带气旋频数增加，反之减少。
When heat content increased, the ridge point of subtropical high moved more westly, and frequency of tropical cyclone moving from Pacific into South China Sea increased, otherwise it decreased;
结果表明，PPR模型的预测效果明显优于逐步回归预测模型，对福建热带气旋年季频数具有较好的预测能力。
The results show that the forecasting precision of the PPR model is much better than that of stepwise regression (SR) model.
结果表明 ，西太平洋热带气旋以四种主要路径影响黄、渤海 ，其影响时间、频数及强度均有不同。
The results show that there are four main paths by which West Pacific tropical cyclones influence the Yellow Sea and the Bohai Sea at different times, with different frequencies and intensities.
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