同一测点，不同高度时，近地面处高频交通噪声减弱效果明显；
In the same measuring point, the reduction effect to the noise with high frequency was significant near by the surface.
在湍流增强的区域，飞机的尾流会消失得更快，它的效果也会减弱。
In zones of increased turbulence, the planes' wakes will decay more quickly and the effect will diminish.
因为阳光会逐渐减弱防晒霜的效果，如果你打算在直射的阳光下多待一段时间，每一两个小时重新涂一下防晒霜。
Because sun breaks down its effectiveness over time, if you're going to be in direct sunlight for an extended period, reapply every hour or two.
应用推荐