除了给予该街区视觉绿化效果外，植被还能过滤空气和提升停车场内空气质量。
In addition to the visually greening effect to the neighborhood, the planting also filters the air and improves the air quality within the car park.
为了保持一个网站基本的视觉现实和感受以及隐私期望，FBML需要清理或过滤一些特定的HTML标签。
In order to maintain the basic look, feel, and privacy expectations of a site, FBML needs to sanitize or remove certain HTML tags.
安全地观测日食需要特制在玻璃、暗箱或望远镜上的过滤装置，因为没有这样的保护装置直视太阳会导致视觉创伤。
Viewing solar eclipses safely requires special filters on glasses, cameras, and telescopes, because looking directly at the sun without such protection can cause eye damage.
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