“波多黎各1952年宪法”的概念、定义、翻译、参考文献-科学参考

单词	波多黎各1952年宪法
释义	波多黎各1952年宪法 Encyclopedia 历史学波多黎各自由联邦释 Constitution of the Commonwealth of Puerto Rico in 1952波多黎各1952年宪法波多黎各被授予美国境内“联系邦”地位的宪法。
随便看	rock mass evaluation rock mass failure rock mass measurement technique Rock mass parameters inversion analysis theory rock mass quality rock mass quality classification for dam foundation rock mass rating rock mass reinforcement rock mass seepage mechanics rock mass sliding stability in dam foundation rock mass stability rock mass strength rock mass strength experiment rock mass structure cybernetics rock mass support and reinforcement theory rock mechanics rock mechanics experiment rock mechanics experiments rock moisture content experiment rockoon rockoon sounding rock ore appraisal sampling rock/ore radioactivity Rockot launch vehicle Rock Painting

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。