专利 基于MongoDB的多平台景区评论合并的方法及系统
ISO 12505-1 2014 Skin barrier for ostomy aids — Test methods — Part 1 Size, surface pH and water-absorbency.pdf
ISO 10927 2018 Plastics Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-T.pdf
ISO IEC 14776-342 2000 Information technology — Small Computer System Interface — Part 342 Controller Commands - 2 (SCC-2).pdf
ISO 1518-2 2019 Paints and varnishes — Determination of scratch resistance — Part 2 Variable-loading method.pdf
ISO 15592-2 2001 Fine-cut tobacco and smoking articles made from it Methods of sampling conditioning and analysis Part 2 Atmosphere for conditioning and testing.pdf
ISO 2631-5 2018 Mechanical vibration and shock — Evaluation of human exposure to whole-body vibration — Part 5 Method for evaluation of vibration containing multiple shocks.pdf
ISO 11336-1 2023 Large yachts — Strength, weathertightness and watertightness.pdf
ISO 12543-6 2021 Glass in building — Laminated glass and laminated safety glass — Part 6 Appearance.pdf
ISO 50021 2019 Energy management and energy savings — General guidelines for selecting energy savings evaluators.pdf
ISO 14269-1 1997 Tractors and self-propelled machines for agriculture and forestry Operator enclosure environment Part 1 Vocabulary.pdf
GB-T 22136-2008 工业过程控制系统 评估用自适应控制器分类.pdf
GB-T 3391-2002 工业用乙烯中烃类杂质的测定 气相色谱法.pdf
GB-T 15535-1995 信息处理 单命中判定表规范.pdf
GB-T 25690-2010 土方机械 升运式铲运机 容量标定.pdf
GB-T 2900.16-1996 电工术语 电力电容器.pdf
GB-T 21940-2008 土方机械 推土机、平地机和铲运机用刀片 主要形状和基本尺寸.pdf
GB-T 19843-2005 工业通风机 射流风机的性能试验.pdf
GB-T 1613-2008 工业硝酸钡.pdf
GB-T 20737-2006 无损检测 通用术语和定义.pdf
GB-T 16412-2009 输送带 丙烷单燃烧器可燃性试验方法.pdf