“正半定形式”的概念、定义、翻译、参考文献-科学参考

单词	正半定形式
释义	正半定形式 positive semidefinite form
随便看	optical character scanner optical check optical choledochoscope optical chopper optical cine duplicating machine optical circle optical circular table optical circulator optical clinometer optical clouration optical coating optical code reader optical code reading wand optical coincidence index optical collector optical colorimetry optical colourimeter optical combiner optical communication optical communication channel optical communication link optical communication receiver optical communication system optical communication technique optical commutation circuit

科学参考收录了1248194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。