基准: datum standard; criterion; r ...参考: consult; refer to; read sth. ...字母: letters of an alphabet; lett ...基准参考字母 基准参考文字: datum reference letters参考字母: reference letter基准参考: datum reference基准参考孔: datum hole基准参考系: absolute reference system基准参考框架: datum reference frames参考基准参考文献: reference参考基准参考文献参考的基准的: reference参考参考参考文献基准参考资料: reference国际地面基准参考系: international terrestrial reference system间接参考字: indirect reference word消息参考字组: message reference block地面基准参考系的等效实现: equivalent realizations of an itrs标准参考轴: standard reference axis基准参数: basic parameter作家时常参考字典: writers often refer to a dictionary标准参考零级: standard reference zero for the callbration of标准参考频率: standard reference frequency标准参考位置: standard reference position标准参考温度: standard reference temperature标准参考物质: srm; standard reference materials标准参考数据系统: srds
