The vertical flight profile was assumed to have three flight segments climb, cruise and descent.

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；

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Precondition : Ella is 1 year and 17 days old. She can crawl on four, climb stairs, cruise. She is ready to prepare for her first step.

目前状况：语柔1岁17天大，能够爬地和楼梯，能够扶着沙发横着走几步，可以开始为她迈第一步做准备了。

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Much more than a cosmetic enhancement for visual appeal, they increase lift, reduce drag and lower stall speed, which translates to a considerable performance boost on takeoff, climb, cruise and landing.

FORBES: The Most Successful Aircraft Design Gets Even Better

Soon, I will climb to a cruise altitude of 15, 500 feet to clear the highest of the Sierra Nevada Mountains.

FORBES: Flying to Aspen--Almost

To get your city bearings, climb aboard a Turyol tourist ferry ( www.turyol.com) and take a 90-minute Bosphorus cruise.

BBC: A perfect day in Istanbul