The hourly average daily generation curve is used to express the wind farm operation constraint and the load changes over time are reflected through the scaling factor.

该模型中通过比例因子来反映负荷随时间的变化，采用日平均发电曲线表示风电场的运行约束。

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Quality product, the average trouble-free continuous operation time more than 1000 hours, some as high as thousands of hours.

优质品的平均无故障连续运行时间都大于1000小时，有的高到数千小时。

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Results: Compared with routine group, the purgation group has lower mortality rate, lower surgical operation rate and shorter average cure time than routine group.

结果：常规组与中西医结合组在手术率、并发症率、平均住院时间、死亡率方面存在显著性差异。

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It found that the average waiting time for an operation, once a patient had been assessed by a consultant, remained unchanged at an average of eight months, compared with the NHS maximum target of 12 months.

BBC: Patients get untested hips