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中文摘要：
用国际机场 AGCM4.0 基于 30 年的大气的模型 Intercomparison 工程(AMIP ) 模拟，在东方亚洲副热带的西的喷气(EASWJ ) 之间的关系和在东亚上的夏天降水被调查了，并且与观察相比。它被发现 EASWJ 的南方的排水量从模型模拟和观察两个都在东亚上与 降水有一种更靠近的关系，与对在 Yangtze-Huaihe 河山谷( YHRV )上的降雨导致的 EASWJ 的异常向南方的移动，并且一异常向北方变在 YHRV 上导致更少的降雨。然而，模仿的降水异例比从合成分析观察被发现弱，并且这将在更低的纬度与在中间高度的纬度和上升运动的微弱地复制的中间上层的集中有关。
英文摘要：
Based on a 30-year Atmospheric Model Intercomparison Project（AMIP） simulation using IAP AGCM4.0, the relationship between the East Asian subtropical westerly jet（EASWJ） and summer precipitation over East Asia has been investigated, and compared with observation. It was found the meridional displacement of the EASWJ has a closer relationship with the precipitation over East Asia both from model simulation and observation, with an anomalous southward shift of EASWJ being conducive to rainfall over the Yangtze-Huaihe River Valley（YHRV）, and an anomalous northward shift resulting in less rainfall over the YHRV. However, the simulated precipitation anomalies were found to be weaker than observed from the composite analysis, and this would be related to the weakly reproduced mid-upper-level convergence in the mid-high latitudes and ascending motion in the lower latitudes.
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