source bed源层sourcen.来源；发源地；原始资料v.从...获得source coupling efficiency光源耦合效率source generation of waves源造波法Source of the Three Rivers三江源source of television tower发射塔资源source of superficial heat浅表热源source coherency structure相干结构source material of history历史素材source edit utility option源编辑应用程序Source-sink relationship源库关系source language dictionary原语词典