The results showed that fine particle sediment type is the main sediment type, which has the sedimentation characteristics of silt shore belt.

结果表明，该区表层沉积物类型以细颗粒沉积为主，具有淤泥质岸带的沉积特征。

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The accumulation of heavy metals from sewage drainage in the estuary is not serious because of, partly, large silt discharge and high sedimentation rate.

河口重金属的积累，相对来说并不严重这与输沙量大及高沉积速率有关。

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For years the change of silt movement characteristic, sedimentation problems, as well as their influence on port and channel increasingly draw the public's attention.

近年来，填海工程造成的区域泥沙运动特征的改变以及对港口、航道的影响愈来愈受到广泛的关注，泥沙淤积带来的问题尤其重视。

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