“upper sum”的概念、定义、翻译、参考文献-科学参考

单词	upper sum
释义	upper sum Mathematics upper sum上和
随便看	sustainable recovery after the disaster sustainable recycling of materials sustainable security vision sustainable social practices sustainable structural design of bridge Sustainable tourism sustainable tourism sustainable transition Sustainable transport sustainable transport sustainable urban rgeneration sustainable urban transport sustainable utilization of regional resources sustainable water resources utilization sustained and controlled release preparations sustained performance sustained receptor sustained release sustained release carrier nanomaterials sustained-release effect sustained release tablets sustained-release technique of predatory mite sustained resource usage management sustained vibration sustained wave

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。