Based on his experience with the Science Barge, he has devised a rule of thumb: generating enough electricity using solar panels requires an area about 20 times larger than the area being illuminated.
基于他在科学驳船上的经验，他制订了一个经验法则：使用太阳能电池板产生足够的电能需要一块约20倍以于照明面积的电池板。
Based on his experience with the Science Barge, he has devised a rule of thumb: generating enough electricity using solar panels requires an area about 20 times larger than the area being illuminated.
基于他在科学驳船上的经验，他制订了一个经验法则：使用太阳能电池板产生足够的电能需要一块约20倍以于照明面积的电池板。
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