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- When the car stops at night, four LED lights will go to a stand-by situation automatically after a certain period of working in order to save electric energy. 灯工作一定周期后自动进入待机状态以节约电能。
- Abstract: This paper introduces the application of change-frequency velocity modulator in the mine fan,analyzes and compares energy charge before transformation with after.Change-frequency velocity modulator has notable saving electric energy effect. 文摘:介绍了变频调速器在通风机改造中的应用，对改造前后的能耗进行分析比较，具有显著的节电效果。
- KGT used in electric locomotive,that starts steadily speed regulation equation saves electric energy,extends storage battery life. KGT应用在电机车上起动平稳,调速均匀,节约电能,延长蓄电池的使用寿命。
- The solar cell can convert the energy of sunlight into electric energy. 太阳能电池能把阳光的能量转化为电能。
- Saving electric energy 节电
- We can change the electric energy to light energy. 我们能把电能转变为光能。
- We must generate electric energy as we use it. 我们必须按照使用的情况去生产电能。
- We can change electric energy into light energy . 我们能把电能转变为光能。
- A Design of Economical and Saving Electrical Energy Instrument of Small Monolithic Integrated Regulator 一种经济、节能小型稳压器的设计
- The electric energy can change to light energy. 电能可以转化为光能。
- ESEERCO Empire State Electric Energy Research Corp. 纽约电能研究公司。
- Electric energy can be converted into light energy. 电能可以转化为光能。
- Electric energy can be changed into light enery. 电能可以转变成光能。
- He turned off the light to save electricity. 他为了节省电把灯关了。
- Saving electricity does some good for the environment. 省电对环保有益。
- Improve the ambience and dine by candlelight, saving electricity. 营造氛围，借烛光进晚餐，节约用电。
- Electric heaters have their electric energy transformed into heat . 电热器使电能转化为热能。
- Electrical energy may be converted into heat, light or chemical energy. 电能可以被转换成热能，光能或化学能。
- Tell the boy to switch off all lights as he leaves the room, to save electricity. 告诉孩子在离开房间时关掉所有的灯，以节约用电。
- Electric Energy Balancing System in Weihe Power Generation Co. Ltd. 渭河发电有限公司电量平衡系统。
