规范: standard; norm; specificatio ...符号: character; sign; symbol; mar ...标志: sign; mark; symbol; hallmark ...的: 4次方是 The fourth power of 2 i ...认可: approve; accept; confirm; ra ...证书: certificate; credentials带有规范符号: with code symbol符号标志: sign indicator; symbols认可证书: recognized certificate暂时中止控制轮机设备的认可证书: approval of control engineering equipment temporarily suspended纱线符号标志制度: yarn notation system矫形住院医师的认可证明: orthopaedic resident admit note赞同的标志或成功的认可: gold star生活居住区防火设备符合规范符号: fire protection accommodation符号中字母标志的意义: meanings of identification letters in标志的: emblematical; labelled; marked认可证: approval certificate契据的认可: acknowlegeement of deeds收益的认可: income recognition需经……的认可: subject to…'s agreement船用门和窗开启方向和符号标志: direction of opening and symbolic designation of marine doors and windows拨号标志: dial marker件号标志: package number mark警号标志: cautionary mark信号标志: signal mark