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自古以来,人类早就在利用着太阳能(如晒盐、晒谷……)。所以,从这个意义上来讲,太阳能的利用并不是什么新鲜事。但是,把太阳能作为一种巨大的能源,供给人们热水,用于住宅的取暖、空调,用太阳灶来煮饭,供应工业、农业生产所需要的热能以及利用太阳能来发电等等,这些却是新鲜的事物,它们是在现代科学技术的基础上发展起来的。因此,我们现在讲太阳能利用,就是指把太阳能作为能源来利用,以代替煤、电、石油和天然气等常规能源的意思。国家指导能源开发和利用必须制定能源政策,在能源政策中将要预测国家对能源的需求,
Since ancient times, mankind has long been using solar energy (such as salt, Sun Valley ...). So, in this sense, the use of solar energy is nothing new. However, the use of solar energy as a huge source of energy to supply hot water for residential heating, air-conditioning, cooking with a solar cooker, supplying the thermal energy needed for industrial and agricultural production and using solar energy to generate electricity, etc. Are new things, they are developed on the basis of modern science and technology. Therefore, we now talk about the utilization of solar energy, which refers to the use of solar energy as an energy source to replace conventional energy sources such as coal, electricity, oil and natural gas. National guidance Energy development and utilization of energy policy must be formulated in the energy policy will predict the country’s energy needs,