At the start of the study, consistent breakfast eaters had an average body mass index of 21.7, intermittent eaters 22.5, and those who never had breakfast 23.4.

在研究开始时，连续性吃早餐的人平均身体质量指数为21.7，间歇性吃早餐的为22.5，而那些从未吃过早餐为23.4。

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Principles of selecting intermittent pumping Wells are determined, which will avoid the impact on the output and machine index.

确定了间抽井的选井原则，避免了这部分井影响原油产量和机采指标。

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