“history of Qatar”的概念、定义、翻译、参考文献-科学参考

单词	history of Qatar
释义	history of Qatar Encyclopedia 历史学卡塔尔历史释 history of Qatar卡塔尔历史卡塔尔国为波斯湾西岸阿拉伯半岛上的君主立宪制酋长国。卡塔尔是一个半岛，面积11 521平方千米。人口约276万（2020），其中卡塔尔公民约占15%。官方宗教是伊斯兰教。官方语言为阿拉伯语，通用英语。首都多哈。
随便看	sum of linear convolution sum of matrices sum of numbers sum of operators sum of order types sum of ordinal numbers sum of powers sum of powers conjecture sum of prime factors sum of products sum of random many of random variables sum of sequences sum of series sum of sets sum of square deviations sum of squares sum of squares between classes sum of squares for partial regression sum of squares function sum of squares of residues sum of squares within classes sum of submodules sum of subspaces sum of the digits sum of vectors

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。