“permissible concentration-time weighted average”的概念、定义、翻译、参考文献-科学参考

单词	permissible concentration-time weighted average
释义	permissible concentration-time weighted average Encyclopedia 工学时间加权平均浓度释 permissible concentration-time weighted average时间加权平均容许浓度一个工作日8小时或一个工作周40小时中以接触有害物质的时间为权数计算所得的平均浓度。
随便看	polarization angle polarization by scattering polarization cell polarization changer polarization characteristic of liquid crystal polarization charge polarization cloud polarization colorimeter polarization converter polarization correlation polarization crosstalk polarization current polarization currents polarization curve polarization dependent loss polarization discrimination polarization diversity and combining polarization division multiplexing，PDM polarization doping polarization drift polarization effect polarization ellipse polarization ellipticity polarization-encoded storage polarization extinction method

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。