source bed源层sourcen.来源；发源地；原始资料v.从...获得Source and sink of carbon碳源和汇source-surface distance放射源-被照表面距离, 源-面距离source of point pollution点污染源source analysis technique二重源解析技术source-destination file源-目的文件source parameter estimate信源参数估计Source of All One Sources和所有一之源头之源source-tracing scouring溯源冲刷source suppression method印源法Source-rock correlation油源对比