并设计专家问卷，最终确定了反映NBA主教练临场指挥特征及效果的统计指标。

And questionnaire design experts, finalized to reflect the command spot features NBA head coach and the effect of statistical indicators.

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而且中小码头由于货源较散，仅凭操作人员的经验临场指挥，很难达到理想的效果，导致中小码头集装箱堆场的翻箱率一只处于一个较高的水平。

Spot alone the experience of the operator command, it is difficult to achieve the desired results. Leading to medium and small sized port's shift rate at a higher level.

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