The five million villi in the small intestine provide a total area for food absorption of more than five times the surface area of the body.
小肠内五百万肠绒毛形成的食物吸收区，其面积比人体表面大五倍。
The mirror reflectance of water surface produces the sun glitter, it is unable to draw water body information from the total radiation at all.
水面镜面反射会产生太阳耀光，直接影响水体遥感信息的提取和利用。
The mirror reflectance of water surface produces the sun glitter, it is unable to draw water body information from the total radiation at all.
水面镜面反射会产生太阳耀光，直接影响水体遥感信息的提取和利用。
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