论文部分内容阅读
环境是人类存在的依托。能量是人类生命的源泉。依托与源泉之水准,虽受多种因素的综合影响,但起主导作用的是绿色植被。只有绿色植被能保护和滋润环境,并使之净化、美化,只有绿色植被能合成有机物,使太阳能转化为化学能,使人类赖以生存。因此,绿色植被复盖地表的程度,绿色植被转化太阳能的效率,不能不是人类关心的最基本问题,对它认识和发展的程度,也就成为社会文化、科学和经济水平重要的综合反应。当然,它也受到自然条件差异的制约。
Environment is the basis of human existence. Energy is the source of human life. Relying on the source of the level, although a combination of many factors, but played a leading role in the green vegetation. Only the green vegetation can protect and moisten the environment and make it clean and beautify. Only the green vegetation can synthesize organic matter and make the solar energy into chemical energy so that mankind can survive. Therefore, the extent to which green vegetation covers the surface of the earth and the efficiency of green vegetation in transforming solar energy can not but be the most basic problems that human beings care about. The degree of understanding and development of green vegetation also becomes an important comprehensive response to social culture, science and economy. Of course, it is also subject to differences in natural conditions.