“二叠纪煤系”的概念、定义、翻译、参考文献-科学参考

单词	二叠纪煤系
释义	二叠纪煤系 Encyclopedia 理学二叠纪煤系释 Permian coal measures二叠纪煤系在二叠纪时期连续沉积形成的一套含有煤层并具有成因联系的沉积岩系。又称含二叠纪煤岩系、二叠纪含煤建造、二叠纪含煤地层等。
随便看	International Tropical Timber Organization international trusteeship International Trusteeship System International Tunnelling Association International Ultraviolet Explorer International Undertaking on World Food Security international uniform substantive law International Union for Conservation of Nature International Union for Conservation of Nature and Natural Resources International Union for the Protection of New Varieties of Plants International Union of Amateur Astronomers International Union of Architects International Union of Forestry Research Organization International Union of Geodesy and Geophysics International Union of Laboratories and Experts in Construction Materials,Systems and Structures International Union of Materials Research Societies International Union of Non Professional Cinema International Union of Psychological Science International Union of Pure and Applied Chemistry International Union of Pure and Applied Physics International Union of Radio Science International Union of Railways International Union of Revolutionary Writers （IURW） International Union of Societies of Foresters International Union of Soil Science,IUSS

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。