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1·The spring tide suspended sediment concentration is bigger than that of the neap tide.

大潮悬沙浓度大于小潮悬沙浓度。

2·The observation data show that the spring tide current and its variations are much larger than those of the neap tide.

观测数据分析表明徐六泾处大潮流速及其变化远大于小潮流速。