上新世早期的大气环流被减弱，因此垂直风切变减小，助长了热带气旋的发展。
Tthe early Pliocene had a weakened atmospheric circulation, and therefore, reduced vertical wind shear, which is favorable for tropical cyclone growth.
沈博文研究的核心是使用先进的计算机模型，增进我们对预测热带气旋的理解。
At the heart of Shen's work is an advanced computer model that could improve our understanding of the predictability of tropical cyclones.
海洋在很大程度上以热带气旋的方式对陆地造成危害。热带气旋也许不再频频发生。
Tropical cyclones, which account for much of the damage the sea does to the land, may become less frequent.
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