In a long time, the living fuel of Chinese rural was mainly depended on non-commercialenergy resources such as straw and firewood etc.
长期以来,中国农村家庭生活燃料主要依靠生物秸秆、薪柴等非商品能源。
2
The devices have the potential to use 99 percent less energy than flash memory, a non-volatile computer storage chip and the predominant form of memory in the commercial market.