horizontal direction

基本解释

Please look hard at fig.1 once more, and you can find similar patterned repetitions in the horizontal direction. This is a key point.
请再一次努力的看下立体图1，你可以看到水平方向上有反复的相似图案，这就是关键。
Mann equates the fault in Haiti with the San Andreas fault in California, as both have plates that slip and grind past one another in a horizontal direction.
曼认为海地的断层与加利福尼亚圣安地列斯的断层是相似的，因为两者的板块都在朝地平线的方向相互滑动研磨。
Like an airplane wing, it provides lift, although largely in a horizontal direction. And like an airplane wing, the slots between the main elements and the flaps add to the lifting power.
像机翼一样，它提供了升力（不过是水平方向的升力），主部件之间的凹槽和襟翼也提高了升力。

Car is traveling with some initial speed v0 in the horizontal direction.
车以 v0 的初速度沿水平方向开出
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So the pink line is going to move towards the vertical, and the blue line is going to move towards the horizontal, and notice that the amount of effort that we generate, goes down dramatically, goes down in this direction.
粉色的线最后会趋向垂直,蓝色的线最后会趋向水平,请大家注意下我们付出的努力,会朝这个方向大幅减少
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