中国大学MOOC: A closed system must be an isolated system.
错
举一反三
- Which of the following descriptions is correct? A: The microscopic viewpoint studies the large-scale properties of matter (temperature, pressure, volume, etc.). B: The part of the universe under study in thermodynamics is called the system; the parts of the universe that can interact with the system are called surroundings. C: For an open system, only matter can be transferred between system and surroundings. D: A closed system must be an isolated system, but an isolated system may not be a closed system.
- The Atlantic Ocean is ( ). A: a closed system B: an open system C: an isolated system D: a homogeneous system
- The entropy of a closed system must increase in an irreversible adiabatic process.
- The entropy of a closed system must increase in an irreversible adiabatic process. A: 正确 B: 错误
- 中国大学MOOC: Self-driving cars are installed with s________ sensors like GPS, vision system, lidar system and radar system. (--provided in addition to something else in order to improve it)
内容
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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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A control volume is: （ ） A: An isolated system B: A closed system but heat and work can cross the boundary C: A specific amount of mass in space D: A fixed region in space where mass, heat and work can cross the boundary of that region