The ecological protection system is an important part of the farming system.
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举一反三
- The farming system includes a variety of sub-systems such as planting system, breeding system, agricultural product processing system, and ecological protection system.
- "Farming system" is equivalent to "cropping system.
- (multiple choices)About our nervous system, which options are correct? A: Our nervous system includes the central nervous system and the peripheral nervous system. B: The central nervous system is only the brain. C: The somatic nervous system is one part of the peripheral system. D: The autonomic nervous system can be divided into the sympathetic and the parasympathetic system.
- (multiple choices)Which of the following statements about our nervous system are correct? A: Our nervous system includes the central nervous system and the peripheral nervous system. B: The central nervous system only contains our brain. C: The somatic nervous system is part of the peripheral system. D: The autonomic nervous system can be divided into the sympathetic and the parasympathetic system.
- A computer system consists of hardware system and software 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.