standard use标准用法standardn.标准；规格；水准；军旗adj.标准的；普通的；规范的；权威的standard single-mode fiber标准单模光纤Standard Space Launch System标准空间发射系统standard mercurial barometer标准水银气压表standardization of languages语言规范standard measuring equipment标准测量装置standard time of observation标准观测时间standard involute gear tooth标准渐开线齿轮齿standard of value evaluation价值评价标准Standard Instrument Approach标准仪表(导航)进场着陆standard modular system card标准模块系统插件