1.Two or more connected cells that produce a direct current by converting chemical energy to electrical energy .
两个或更多的相联电池组，它能把化学能转变化电能并产生直流电。
2.A few years ago lasers typically converted less than 40% of the electrical energy used to run them into beam power.
几年前激光器一般可以把维持本身运作不到40%的电能转化为可传送能源。
3.An EEG relies on the fact that this electrical energy can be transmitted along a thin metal wire.
EEG依赖于电能能在金属电线中传输这一事实。
4.Its role is to the sun's radiation is converted to electrical energy stored in batteries or sent to them, or to promote the work load.
其作用是将太阳的辐射能力转换为电能，或送往蓄电池中存储起来，或推动负载工作。
5.The solar panels: To make the sun's radiation be converted to electrical energy, sent or stored in batteries, or to promote the work load.
太阳能电池板：将太阳的辐射的能量转换为电能，送往蓄电池中存储起来，或推动负载工作。
6.Electrical energy can be stored in two metal plates separated by an insulating medium.
电能可储存在由一绝缘介质隔开的两块金属极板内。
7.The mechanical energy can be changed back into electrical energy by means of a generator or dynamo.
利用发电机可以把机械能转变成电能。
8.The forms of energy with which we often meet are heat energy, sound energy, electrical energy, chemical energy.
我们经常遇到热能、声能、电能、化学能多种形式的能。
9.The mechanical energy can be changed back into electrical energy by means of a dynamotor .
利用发电机可以把机械能从新转变成电能。
10.The mechanical energy can be changed back into electrical energy by means of a generator.
利用发电机可以把机械能再转变成电能。