“preliminary hazard analysis”的概念、定义、翻译、参考文献-科学参考

单词	preliminary hazard analysis
释义	preliminary hazard analysis Encyclopedia 工学预先危险性分析释 preliminary hazard analysis; PHA预先危险性分析在每项工程的设计、施工和生产之前，对系统存在的危险性类别、出现条件、导致的后果及拟定的安全措施所做的一种概略分析。又称初步危险分析、初步危害分析。
随便看	circular orbital radiation circular partial sum circular parts circular permutation circular photogalvanic effect circular point circular point at infinity circular points at infinity circular polariscope circular polarization circular polarized radiation circular polygon circular polymerase extension cloning，CPEC circular probable error miss distance circular queue circular reciprocation circular recombination PCR，CRP circular repolarization circular restricted three-body problem circular ring circular RNA circular run-out measurement Circular Scale circular section circular sector

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。