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| 31. | electric energy loss |
| 电能损耗 |
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| 32. | Generator A generator is a machine which converts rotating mechanical energy into electrical energy. |
| 发电机发电机是把（转）械能转化为电能的装置。 |
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| 33. | Generator A generator is a machine which conerts rotating mechanical energy into electrical energy. |
| 发电机发电机是把（转）械能转化为电能的装置。 |
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| 34. | electric energy density |
| 电能密度 |
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| 35. | "For example, fuel-Burning heat engines convert chemical energy to thermal energy; Batteries convert |
| 如用燃料烧热的引擎把化学能转为热能,电池把化学能转为电能。 |
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| 36. | electric energy measurement |
| 电能测量 |
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| 37. | electric energy efficiency |
| 电能效率 |
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| 38. | electric energy source |
| 电能震源 |
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| 39. | electric energy transducer |
| 电能转换器 |
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| 40. | The alternator changes the engine's mechanical energy into electrical energy and recharges the battery |
| 交流发电机把发动机的机械能换成电能并给电池再充电。 |
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