Newly designed giant gravel batteries could be the solution to the on-off nature of wind turbines and solar panels.
新设计的巨型砾石电池可以解决风力涡轮机和太阳能电池板的开关问题。
The cost of solar panels has dropped by 80 percent and the cost of wind turbines by close to one-third in the past eight years.
在过去八年中，太阳能电池板的成本下降了80%，风力涡轮机的成本下降了近三分之一。
These are jobs making everything from wind turbines and solar panels to the technology that you use every day.
这些工作包罗万象，从制造风力涡轮、太阳能电池板到你们每天使用的技术等。
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