“negation bar”的概念、定义、翻译、参考文献-科学参考

单词	negation bar
释义	negation bar Mathematics negation bar负号
随便看	ore approved proportion ore-bearing coefficient ore bed ore beneficiability ore beneficiability tests ore body ore break down ore-caused remote sensing anomaly ore chemical composition ore comminution energy consumption principle ore concentration area Ore condition Ore conjecture ore crushing ore crushingprocess ore crushing process control ore dampness ore dilution rate ore distributing control Ore domain ore drawing ore field orefield ore formation mechanism ore-forming element geochemistry

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。