对飞机航路爬升的飞行轨迹进行了二维模拟,并绘制出了飞机航路爬升时的飞行轨迹曲线和其他分析曲线。
Lie down and look straight up through the branches, and climb a tree to look down the path.你可以躺下来透过树枝直直地向上看,也可以爬上树从小路向下看。
Lie down and look straight up through the branches; climb a tree to look down the path.躺下,透过树枝向上直视;爬上一棵树向下看。