【Weekly Topic】【Electrical Edition 20170106】

2017-01-06View Original

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Participation reward: 2 Wealth. **Correct reward: 9 Wealth. Fill-in-the-blank question: Practice has shown that low-frequency currents cause less harm to the human body than high-frequency currents ( ). large

Reply #22017-01-06

Practice has shown that low-frequency currents cause greater harm to the human body than high-frequency currents.

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【Weekly Topic】【Electrical Edition 20170106】

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