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。
应用推荐