文章首先系统地介绍了室内空气品质的研究现状、主要污染物及其危害，提出了室内空气模型；
First, we introduced the actual research state of Indoor Air Quality - it's main pollutants and their effects and built indoor air models.
由高分辨率飞行影像取得的数据使得研究人员能够建立近乎完美的数学模型，来揭示那柔软的、扭转的翅膀怎样推动昆虫穿过空气。
Data from the high-resolution flight images allowed the researchers to create a near-perfect mathematical model of how the flexible, twisting wings propel the insect through the air.
为了解释气囊如何改变声音，de Boer博士制作了口腔、舌和喉的塑料模型，并压入空气使之发出不同的元音。
To find out how having an air sac changed the sounds produced, Dr DE Boer created plastic models of the mouth, tongue and throat and forced air down them to produce different vowel sounds.
应用推荐