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1·In physics, you call potential, electrical potential or gravitational potential, the potential energy.

在物理学里面，把势，称为势能。

2·This paper introduces application and developing tendency of AC speed control technique by changing frequency in crane's electrical diving of port and Marine based on potential energy load.

文章主要介绍具有位能性负载特点的港口及船舶起重机械电气传动中交流变频调速技术的应用及发展趋势。

3·There exits a compound error problem in the electrical measurement, which is composed of PT synthetic error, ct synthetic error, electrical energy measurement error and secondary potential of PT.

电能计量综合误差是由电压互感器的合成误差、电流互感器的合成误差、电能表的误差、电压互感器二次导线压降所引起的计量组成。

4·The hydraulic electro generating says income kind of significance is the water potential energy turns the mechanical energy, also turns the electrical energy the switching process.

水力发电在某种意义上讲是水的势能变成机械能，又变成电能的转换过程。