政府补贴政策需要贯彻效率原则,政策实施要依靠竞争和比较机制,并应体现阶段性变化新能源有着不少与传统能源不同的特性。除大家熟知的可再生永续利用和无与比拟的清洁,还有一些突出或鲜明的特点:其一,能量密度低。例如,太阳辐照总能量巨大,但地球单位面积获取的光照能量相对较小。风能亦是 Government subsidy policy needs to implement the principle of efficiency, policy implementation should rely on competition and comparative mechanisms, and should reflect changes in phases. New energy has many different characteristics with traditional energy sources. In addition to the well-known renewable sustainable use and unparalleled cleaning, there are some prominent or distinctive features: First, the energy density is low. For example, the total energy of solar radiation is huge, but the light energy obtained per unit area of ​​the earth is relatively small. Wind energy too