“键值”的概念、定义、翻译、参考文献-科学参考

单词	键值
释义	键值 Encyclopedia 理学数据库系统释 key-value键值在关系数据库中，键是指关系表中的一个属性或一组属性，其值能够唯一标识一个元组。
随便看	preformed billet prefractal prefractionator preframe prefrontal cortex pre-galactic cloud pre-galactic nucleosynthesis pre-galactic star pre-Galaxy pre-galaxy preganglionic neurofibre preganglionic neuron pregelatinized starch pre-geometry pregermlayer stage P-region preglabellar field pre-glottalization pregnancy pregnancy anabolism pregnancy-associated thrombocytopenia pregnancy diagnosis pregnancy diagnosis in domestic animals pregnancy identification pregnancy in rudimentary horn

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。