这确保了指标透过我总是对他们是有卡，而且总是空值移动到数组的末尾。

This ensures that the indexes up through I always have CARDS in them, and that the null values are always moved to the end of the array.

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效率、空化性能及稳定性是混流式水轮机的三大综合性能指标，也是我们研究的重点。

The comprehensive performances, including the efficiency, cavitation and stability are the emphases of research of the hydraulic machinery.

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运用该指标对某电厂空冷项目实例的实验结果表明：风速、空冷平台柱高和来流风向角对冷凝器的效率有着重要影响。

Result of a practical engineering models show that great wind effects of both wind speed and the angle of the incident flow on the efficiency of the condenser.

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