Energy conversion, which means the transformation of different energy forms, constitute the basic process of our energy usage.
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举一反三
- ______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels, and other forms of energy received as input to a system.( ) A: Premium energy B: Primary energy C: Principal energy D: Preliminary energy
- ______ is an energy form found in nature that has not been subjected to any human engineered conversion process. It is energy contained in raw fuels, and other forms of energy received as input to a system.
- The energy transmitted to the wheels to propel the vehicle's motion comes from at least two different energy conversion devices.
- Heat energy and energy are the middle processes of energy transformation in an electric power plant.
- There are many forms of energy, （）is atomic energy A: one of that B: one of whom C: which D: one of which
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Heat energy and energy are the middle processes of energy transformation in an electric power plant. (chemical / mechanical)
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The most important form of energy is electric energy, which is (wide) _____ used in our daily life.
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Our energy needs will have to be fulfilled from ( ) A: depletable energy sources B: renewable energy sources C: the existing energy D: recycling energy
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【多选题】Which of the following energy are storable A. photo energy B. potential energy C. sound energy D. chemical energy
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Which of the following belongs to clean and renewable energy? A: Geothermal energy B: Solar energy C: Wind energy D: Nuclear energy