现行标准: current standard后台: backstage; background; green ...系统: system标准后台系统: standard background system后台系统: background system现行标准: act.std; active standard; actual standard; current standards采用现行标准: adoption of existing standard现行标准成本: current standard cost; current standart cost准后台: background工作标准，现行标准: working standard统一标准后: dvd先标准后地位: standards before status前台系统: foreground system稳定台系统: stable-platform system选纸台系统: bench system of sorting步行标准: pedestrian standards飞行标准: flight standard飞行标准司: flight criteria department平行标准: parallel standards试行标准: tentative standard暂行标准: eia; interim standard; temporary standard; tentative method; tentative spandard; tentative standard; tentativestandard暂行标准136: is- eia执行标准: voluntary standards导弹平台系统: guided missile launching system个人电台系统: personal radio system
