适当增加开缝面积和吸气量，有利于吸气的正效果。

And with adequate air removal, the effect becomes more distinct.

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另外，有证据表明，以往的预防运动的效果正不断消失。

There is also evidence that the effect of past prevention campaigns is waning.

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如果你正考虑将幻灯效果整合进下个网站项目，那么我们恰好给你带来了一些设计灵感。

If you're thinking about incorporating a slideshow in your next web project, we've got some inspiration for you.

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