Meteorological data mainly include the average wind speed, mean wind direction, wind standard deviation, average temperature, atmospheric pressure, rainfall, atmospheric stability parameters.
气象数据主要包含平均风速、平均风向、风向标准差、平均温度、大气压、降雨量、大气稳定度等参数。
A new index is proposed to evaluate performance of the air-powered engine-the ratio of the mean effective pressure and the average pressure in the engine cylinder.
提出一个评价气动发动机性能的新指标——气动发动机平均有效压力和缸内平均压力的比值。
The mean portal pressure before shunt was 34.6 cmH_2O, and the average postshunt decrement was 6.7cmH_2O.
分流术前门静脉平均压力为34.6匣米水柱， 分流术后平均降压6.7厘米水柱。
At all events, shut-in of gas Wells would seriously affect the producer and the consumer, and it would mean too high a cost just for taking the average formation pressure.
总的来说，关井会严重地影响气矿和用气单位的生产，如果专门为获得平均地层压力而关井，其代价太大。
At all events, shut-in of gas Wells would seriously affect the producer and the consumer, and it would mean too high a cost just for taking the average formation pressure.
总的来说，关井会严重地影响气矿和用气单位的生产，如果专门为获得平均地层压力而关井，其代价太大。
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