azure beauty in midday and the indigo blues of sunset. The Bird Island on the western tip hosts hundreds of thousand migrate birds, hovering over the sky or diving into the water. Great Lamasery of Kumbum (Taer Lamasery), still one of the living and the most important for believers, was ...
253. GB/T 33780.5-2021;基于云计算的电子政务公共平台技术规范 第5部分:信息资源开放共享系统架构;Technical specification of electronic government common platform based on cloud computing -- Part 5: The architecture for information resource opening and sharing;有效254. GB/T 33863.10-2021;OPC统一架构 第1...
Map showing the occurrences of iron ores and other minerals in portions of the counties of Frontenac, Lanark, Renfrew and Leeds, Ontario 来自 Semantic Scholar 喜欢 0 阅读量: 8 作者:RW Ells,J White 摘要: Résumé non disponible.DOI: 10.4095/108087 ...
29. GB/T 1507-2006;锰矿石 有效氧含量的测定 重铬酸钾滴定法;Manganese Ores -- Determination of active oxygen content -- Potassium dichromate titrimetric method;有效30. GB/T 1509-2006;锰矿石 硅含量的测定 高氯酸脱水重量法;Manganese ores -- Determination of silicon content -- Perchloric acid dehydr...
296. GB/T 24353-2009;风险管理 原则与实施指南;Risk management -- Principles and guidelines on implementation;作废 297. GB/T 24354-2009;公共地理信息通用地图符号;Common map symbols for the public geographical information;有效 298. GB/T 24355-2009;地理信息 图示表达;Geographic information -- Portrayal...
184. GB 20664-2006;有色金属矿产品的天然放射性限值;Limitation concentration of natural radioactivity in non-ferrous metal ores and concentrates products;有效;350元 185. GB 20665-2006;家用燃气快速热水器和燃气采暖热水炉能效限定值及能效等级;Minimum allowable values of energy efficiency and energy efficie...
8. GB/T 30289.1-2013;基于网络传输的导航电子地图数据更新规范 第1部分:应用于车载终端编译的增量更新模式;Network-based data updating specification for navigation electronic map -- Part 1: Incremental update mode for the on-board compiling;有效 ...
305. GB/T 6730.52-2018;铁矿石 钴含量的测定 火焰原子吸收光谱法;Iron ores -- Determination of cobalt content -- Flame atomic absorption spectrometric method;有效 306. GB/T 6809.10-2018;往复式内燃机 零部件和系统术语 第10部分: 点火系统;Reciprocating internal combustion engines -- Vocabulary of compo...
国外标准都是外文的资料,使用有障碍可随时联系索取中文翻译版本,收费合理 已更新800篇 1 ISO 13517-2020 2020-04-01 English Metallic powders — Determination of flow rate by means of a calibrated funnel (Gustavsson flowmeter) - Second edition 2 ISO 8502-6-2020 2020-04-01 English Preparation of st...