“封闭圈”的概念、定义、翻译、参考文献-科学参考

单词	封闭圈
释义	封闭圈 Encyclopedia 工学露天开采境界释 closed loop封闭圈矿床露天开采最终境界的地表最低标高的水平面边界闭合曲线。
随便看	natural positive cone natural potential natural potential analysis natural potentiometer natural product Natural Product Research and Development natural projection natural protection map natural protection planning natural purification natural purification technology natural quartz natural radiation belt natural radiation level natural radiation source natural radioactive decay series natural radioactive nuclide natural radioactivity natural radioactivity survey instrument natural radio background natural radioelement natural radioelements natural radionuclide natural range natural reactor

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。