符号: character; sign; symbol; mar ...规定: stipulate; provide编号规定: numbering convention符号规划: symbolic programming符号规约: convention, sign; sign convention代数符号规则: algebraic sign conventions系数符号规则: sign of coefficients rule合成橡胶牌号规定: codification of types for synthetic rubbers外部规定的符号: externally defined symbol线号规: brown and bharwire gauge规定: stipulateprovide编号规划区: npa numbering plan area编号规则: classification and numbering regulations of files拨号规则: dialing rules伯明罕号规: b.w.g金属片号规: sheet metal gauge口号规范: slogan冒号规则: double-colon rules美国线号规: american wire gage， a.w.g轻型号规钢: light gauge steel区号规则: dialing rules信号规范化: signal normalization信号规则: signal instructions型号规范: model specification型号规格: description; instrument type and specification; model and size; type/spec
