摘要
自然环境的优劣 ,会直接影响人体的健康。在良好的环境中 ,人们所依赖的物质是不受污染的 ,自然环境的物质中所含丰量元素和微量元素对维持人类生命。
Good or bad natural environment will influence human health directly,In good environment, human beings are not polluted by their dependent materials. The abunbant elements and minute elements in the natural environmental materials in maintaining human lives and health protection play the certain basic function.
