standard ambient condition 标准环境条件，标准外界条件 standard ambient temperature 标准环境温度 standard ambient test condition 标准环境试验条件［环境温度20正负2摄氏度；相对湿度60~70%；大气压力650~800mmHg］ ..
It canbe seen that iftheengineair inlettemperatureis higher and the ambientpressure is lower than the standardconditions, the poweroutputof the effectswill belower.