“State Duma”的概念、定义、翻译、参考文献-科学参考

单词	State Duma
释义	State Duma Encyclopedia 历史学俄罗斯历史释 State Duma国家杜马沙皇俄国的国家代议机构（1906～1917）和俄罗斯联邦的议会下院（1993～　）。
随便看	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 proportional sequence proportional stratified sampling proportional subclass number proportional trapping proportional valve proportional variable proportion by addition proportion by addition and subtraction proportion by alternation proportion by subtraction proportioner proportion of nonconforming items proportion of piped onto premises proportion of soil erosion control proportion of wind and solar power generation in electricity production proportion relationship between accumulation and consumption proportion relationship between two-major parts of social production proportion with equal means proposal

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。