“development history of safety management”的概念、定义、翻译、参考文献-科学参考

单词	development history of safety management
释义	development history of safety management Encyclopedia 工学安全管理基本理论释 development history of safety management安全管理发展史从时间维度展现事物或人类活动发展演化规律，揭示安全管理理论、管理模式和管理方法发展和进步的历史。
随便看	proportionality coefficient proportionality factor proportional limit proportional loading proportionally cutting circle proportional mean proportional navigation proportional numbers proportional odds model proportional odds regression model proportional part proportional plus integral plus derivative control proportional plus integral plus differential control proportional-plus-integral-plus-differential control proportional price rule proportional profile proportional region proportional regulator proportional regulatory systems proportional relation proportional relations among agriculture,light industry and heavy industry proportional relations among primary industry,secondary industry and tertiary industry proportional representation proportional sampling proportional selection

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。