renewable sources of energy造句

1、Efforts are also under way to exploit renewable sources of energy to power telecoms networks.
研究使用可再生能源为电信网络供能的工作也正在努力中。

2、Renewable Sources of Energy in Central America
中美洲可再生能源的开发

3、Renewable sources of energy must be used.
可再生的能源必须利用。