On the one hand, electricity as a commodity needs assure its quality; on the other hand, power users have to limit the interference of the power grid within a certain range.
一方面，电能作为一种商品其质量需要得到保证，另一方面，电力用户对电网的干扰也要限制在一定范围内。
On the one hand, electricity as a commodity needs assure its quality; on the other hand, power users have to limit the interference of the power grid within a certain range.
一方面，电能作为一种商品其质量需要得到保证，另一方面，电力用户对电网的干扰也要限制在一定范围内。
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