填写的数量必须是所发货物的件数，而不是所用包裹的数目。
This quantity must be total number of items, not number of containers.
在得出港口货物吞吐量概率分布的基础上，利用条件数学期望提出了港口货物吞吐量的双层预测模型。
A double forecasting model is proposed by using conditional mathematical expectation, based on probability distribution of port cargo throughput.
对不起，大副。我发现有一只平板箱上的货物件数同进口舱单上所列明的不相符合。
I'm sorry, Chief. I found there's one platform container where packages on the container load list do not conform to those on the inward manifest.
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