在初始测试阶段,能够获得的电能是极其微小的——每平方厘米的金属片只有15皮瓦(百亿分之一瓦)。
In initial testing, the amount of power produced was vanishingly small — just 15 picowatts, or trillionths of a watt, per square centimeter of metal plate.
在初始测试阶段,能够获得的电能是极其微小的——每平方厘米的金属片只有15皮瓦(百亿分之一瓦)。
In initial testing, the amount of power produced was vanishingly small — just 15 picowatts, or trillionths of a watt, per square centimeter of metal plate.
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