九月的阳光依然带着很强的力量。立秋之后,摆脱了云层的遮蔽,秋阳显得愈加肆无忌惮,骄阳烘烤下,柏油马路被晒化了,渗出黑色的油,随便找一块凸透镜,阳光被迅速聚成一点,几分钟时间,纸被点燃了,燃成熊熊大火,这就是太阳能,地球上所有能源的起源。在人类的视野里,它取之不尽用之不竭。如果从经济、安全、环保的 The September sun still has a lot of strength. After the beginning of autumn, from the cover of the clouds, Qiuyang appeared even more unscrupulous. Under the baking of the sun, the asphalt road was sunburned, black oil oozes out, and a convex lens was found casually, and the sunlight was quickly gathered into a little, a few minutes, paper. It was ignited and ignited into a raging fire. This is the origin of solar energy, the source of all energy on Earth. In human vision, it is inexhaustible. If it is economical, safe and environmentally friendly