• 2022-06-08
    ​The ecological protection system is an important part of the farming system.‌
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      Closed-loop control system is an automatic control system. Open-loop control system is not an automatic control system.

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      The major components of automobile electrical system include starting system, charging system, ignition system and accessory system.

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      The traditional Chinese system is a combination of the solar system and the lunar system.

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      According to Skinner, language is not a form of behaviour, it is an intricate rule-based system and a large part of language acquisition is the learning of this system.

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      The Bretton Woods system includes five aspects: the monetary standard system, the exchange rate system, the reserve system, the balance of payments adjustment system, and the financial system.