外部能源 meaning in Chinese

extra power

The atoms are excited by being irradiated with energy from an external source .
原子受到外部能源的照射而激发。
The flying machines must be human - powered with no stored or external energy sources
这种人力飞行器要由人力推动，不可带有储存或外部能源来源。
Earthquake mitigation for structures using magnetorheological ( mr ) dampers has much merit , such as fine control effect , low external energy , cheap cost , simple construction etc . it has a wide application foreground for our country due to many earthquakes
利用磁流变阻尼器进行建筑结构的减震控制具有控制精度高、所需外部能源少、经济实用、构造简单等特点，这对于多发地震的我国无疑具有广阔的应用前景。