暂现Ｘ射线源transient X-ray source【天】
能源energy【能源】;energy resource【能源】;energy source【能源】
来源source
开源软件open-source software
感染源头source of infection
源相互对照编目source cross-feference listing【计】
【化】 源点source point
两思（致富思源，富而思进）tothink of the source of getting rich and of making progress after becomingaffluence