英语词汇“dirac's constant”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	dirac's constant
释义	Dirac's constant Dir·ac's constant D5248250 (dĭ-răks′)n. A physical constant often used in quantum mechanics, equal to ^h/_2π , where h equals Planck's constant. Its symbol is ħ. Also called h-bar, reduced Planck's constant. [After Paul Adrien Maurice Dirac.]
随便看	hazard analysis and critical control points hazard analysis and risk assessment hazard analysis and risk control hazard analysis critical control point hazard analysis critical control points hazard analysis critical point hazard analysis report hazard analysis working group hazard and effect management plan hazard and operability hazard and requirements review board hazard and risk management system hazard an opinion hazard assessment hazard assessment by risk analysis hazard assessment computer system hazard assessment of rocket propellants hazard assessment rating methodology hazard assessment system for consequence analysis hazard avoidance reconnaissance extender hazard awareness training hazard-based safety engineering hazard beacon hazard categorization hazard category

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

Dirac's constant