That means that barring a breakthrough technology in electricity storage, wind and solar are likely to contribute only small - that is, single-digit - percentages of our overall energy needs.
那也就意味着除非有电力储存上的技术突破,风能和太阳能很可能在我们总的能源需求中只能做出占百分比个位数的少量贡献。
Today, energy storage is a $33 billion global industry that generates nearly 100 gigawatt-hours of electricity per year.
如今,能源储存是价值330亿美元的全球化产业,每年产生近1000亿瓦时的电力。
The hydrogen gas could then be fed into a storage system and used to generate electricity when additional or backup power is needed.
然后可以将氢气输入到存储系统中,并在需要附加或备用电源时用于发电。
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