太阳依然含有原始太阳星云的大部分物质。
The Sun still contains most of the matter from the initial solar nebula.
未被利用的阳光和电池本身的低效率产生的热量导致一半以上的抵达到电池的原始太阳能损失掉了。
This heat from unused sunlight and inefficiencies in the cells themselves account for a loss of more than 50 percent of the initial solar energy reaching the cell.
大约20世纪初，消费市场上出现了一些原始的太阳能热水器。
Around the beginning of the 20th century there were actually some primitive solar water heaters on the consumer market.
应用推荐