摘要通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Based on the study of sediment transport under the actions of tidal currents and wind waves a mathematical model of suspended load and bed load for Yangtze estuary is developed.
在长期系统研究的基础上，分析对比了长江口的水流动力、泥沙运动和河床演变等各种条件，选择了北槽作为长江口深水航道先予治理，确立了符合长江口实际情况的治理原则。
According to the analyses, the North Channel is selution as the main deep-water navigation channel to the sea and is to be pre-trained, and the training principle of the Yangtze Estuary is determined.
春季在长江口近岸存在弱上升流，夏季长江口外的陡坡区出现下降流，而长江口以北和以南的陡坡区出现上升流。
In spring, weak upwelling exists in the river mouth, whereas in summer downwelling occurs in steep area north and south of the mouth.
根据1970-1995年长江口中华绒螯蟹蟹苗捕捞情况、产量统计和1996～1998年长江口中华绒螯蟹蟹苗的调查资料，对蟹苗的分布和数量变动进行了分析研究。
The abundance and distribution of Eriocheir sinensis in the mouth of Changjiang River were studied through its occurrence, statistic data from 1970 - 1995 and investigations from 1996 -1998.
南汇边滩位于上海市东南角，长江口和杭州湾的天然交汇处，属于淤涨型滩涂，是长江口重要的河口湿地之一。
Nanhui Biantan wetland is a silting flat which locates on the southeastern Shanghai and where is the intersection area of Yangtze estuary and Hangzhou Bay.
通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for Yangtze Estuary is developed.
通过对长江口径流、潮流和波浪共同作用下的泥沙运动规律的研究，开发并建立了长江口全沙(悬沙和底沙)数学模型。
Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for Yangtze Estuary is developed.
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