It happened so early in the flight, at a level of about 900 meters, that the crew had little time to decide what to do.

VOA: special.2009.01.30

It turns out to be-- there's a fairly complicated balance between the time of flight and the range.

答案表明,在飞行时间与射程之间,有着一个相当复杂的平衡关系

耶鲁公开课 - 基础物理课程节选

Other one says, maximize the time of flight and you point a cannon like this.

另一种是,让飞行时间最长,像这样进行瞄准

耶鲁公开课 - 基础物理课程节选

His father was a democrat in czarist Russia, and he was quite a reformer. At the time that the Bolsheviks took over in 1919, there was a brief window of time prior to the family's flight.

他的父亲在沙皇俄国是一个民主党人，他是一个改革家，当时布尔什维克党在1919年统治者俄国,他们家在那之后很快就离开俄国。

耶鲁公开课 - 1945年后的美国小说课程节选

Then it lands on your foot, because assuming the cannon is at zero height, the cannonball certainly comes out towards the enemy, but has no time of flight.

然后它就会落在你的脚边,因为假设大炮的高度为 0,炮弹笔直地出膛打向敌人,却没有时间飞行

耶鲁公开课 - 基础物理课程节选