“非负定性”的概念、定义、翻译、参考文献-科学参考

单词	非负定性
释义	非负定性 Mathematics nonnegative definiteness正半定性，非负定性
随便看	rural household rural household appliances earthing protection rural household biogas rural household concurrent behavior rural household contract responsibility system rural household economic organization rural household interaction network rural household investing behavior rural household livelihood rural household production management rural household professional organization rural household self-directed development capacity rural household strategic choices of activity space rural household survey rural human resources rural human settlement improvement rural human settlements rural hydro electric power rural improvement planning rural inclusive finance rural industrial cluster rural industrialization rural industrial solid waste rural industrial statistics rural industrial wastewater

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。