source bed源层sourcen.来源；发源地；原始资料v.从...获得source-destination code无操作码Source Language Processor源语言处理器Source circulatory system资源循环体系source of radiant heating辐射热源source follower amplifier源输出放大器source-sink correlation库-源关系source nearby exploration近源勘探sources of the inferences出典Source of water irruption突水水源source of freight traffic货源