“First Bulgarian Kingdom”的概念、定义、翻译、参考文献-科学参考

单词	First Bulgarian Kingdom
释义	First Bulgarian Kingdom Encyclopedia 历史学保加利亚历史释 First Bulgarian Kingdom保加利亚第一王国 681～1018年巴尔干半岛东北部斯拉夫人和古保加利亚人的早期封建国家。即斯拉夫-保加利亚王国。
随便看	Petr Nikolaevich Krasnov Petro-Canada petrochemical complex fire petrochemical industry petrochemical industry catalyst petrochemical plant fire petrochemicals petrochemical safety Petrochemical Technology petrochemical wastewater petrochemistry petrocole petrofabric petrofabrics petrogenetic grid Petroglyph in Chulut River Valley Petroglyphs within the Archaeological Landscape of Tamgaly petrographic geomorphology petrographic texture and structure petroleum petroleum accumulation petroleum additive petroleum agriculture petroleum alternative fuels petroleum and natural gas act

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。