reference gas参考气体； 标准气referencen.参考；参照；出处；推荐人；推荐函v.注明出处；附参考资料reference and information参考咨询reference group influence参照群体影响reference recording level基准记录磁平reference synchronization基准同步reference point returning参考点返回reference room management资料室管理reference price mechanism参考价格制度Reference Radio Telegraph参见…电报reference radiation level参考辐射水平reference voltage circuit基准电压电路