专利 一种基于学情的教学干预方法
ISO 23160 2011 Watch cases and accessories — Tests of the resistance to wear, scratching and impacts.pdf
ISO TS 20498-3 2020 Traditional Chinese medicine — Computerized tongue image an.pdf
ISO 1012 1998 Photography — Films in sheets and rolls for general use — Dimensions.pdf
ISO 12240-3 1998 Spherical plain bearings — Part 3 Thrust spherical plain bearings.pdf
ISO 7109-1985Ammonia solution for industrial use — Determination of residue after evaporation at 105 degrees C — Gravimetric method.pdf
ISO IEC 19795-1 2021 Information technology — Biometric performance testing and reporting — Part 1 Principles and framework.pdf
ISO 14907-1 2020 Electronic fee collection — Test procedures for user and fixed equipment — Part Description of test procedures.pdf
ISO 6392-2 1996 Earth-moving machinery — Lubrication fittings — Part 2 Grease-gun nozzles.pdf
GB-T 31496-2015 - ISO 27003-2010 信息技术 安全技术 信息安全管理体系实施指南 .pdf
ISO 11452-3 2016 Road vehicles — Component test methods for electrical disturbances from narrowband radiated electromagnetic energy — Part 3 Transverse electromagnetic (TEM) cell.pdf
GB-T 5206-2015 色漆和清漆 术语和定义.pdf
GB-T 22217-2008 造船 机器数字控制 ESSI格式.pdf
GB-T 1348-2019 球墨铸铁件.pdf
GB-T 30507-2014 船舶和海上技术 润滑油系统和液压油系统 颗粒污染物取样和清洁度判定导则.pdf
GB-T 13530-2008 乙氧基化烷基硫酸钠试验方法.pdf
GB-T 38184-2019 道路车辆 火花塞热值分级及其测定方法.pdf
GB-T 28949-2012 内燃机和空气压缩机用进气空气滤清器 性能试验.pdf
GB-T 28450-2020 信息技术 安全技术 信息安全管理体系审核指南.pdf
GB-T 17556-2010 船用电力和通信电缆护套材料.pdf
GB-T 39096-2020 石油天然气工业 油气井油管用铝合金管.pdf