“保卫延安”的概念、定义、翻译、参考文献-科学参考

单词	保卫延安
释义	保卫延安 Encyclopedia 文学【小说作品】释 Defending Yenan《保卫延安》中国当代长篇小说。
随便看	closed embedding closed-end fund closed equivalence relation closed expression closed extension closed family of sets closed field closed filament closed filter closed fishing areas closed fishing season closed-flux device closed fork mounting closed form closed-form number closed-form solution closed formula closed fuel cycle closed function closed geodesic closed graph closed-graph mapping closed graph theorem closed-graph theorem closed grill

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。