These are capable of converting sunlight into electricity with an efficiency of 22%.
它们具有以22%的效率将太阳光转化为电力的能力。
While US electricity has steadily grown, California has become a model of energy efficiency.
美国用电稳步增加，加州成为能源效率的典范。
The total efficiency increase of electricity refers to production, supply and use.
电力行业由于自身特点，总体能效的提高涉及生产、供应和使用各个方面。
The total efficiency increase of electricity refers to production, supply and use.
电力行业由于自身特点，总体能效的提高涉及生产、供应和使用各个方面。
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