飞行中巡航部分的氮氧化物的排放量下降了四分之一左右。
Nitrogen-oxide emissions during the cruising portions of the flight fell by around a quarter.
飞机以接近海平面的机场高度开始飞行、爬升、巡航、下降和接近海平面的机场着陆。
The airplane starts its flight at an airport altitude near sea level, ascends, cruises, and descends to a landing airport near sea level.
飞机纵向飞行剖面被假定分为三个飞行段：爬升、巡航和下降；
The vertical flight profile was assumed to have three flight segments climb, cruise and descent.
汤姆巡航的遁甲；他是在下降？
汤姆巡航的遁甲；他是在下降？
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