“口北三厅”的概念、定义、翻译、参考文献-科学参考

单词	口北三厅
释义	口北三厅 Encyclopedia 理学口北三厅释 Three Bureaus North of Zhangjiakou口北三厅中国清代置于今河北北部长城内外和内蒙古锡林郭勒盟南部农牧交错地带的三个厅级行政区划。
随便看	hard magnetic material hard metal lung disease hard mode hardness hardness gauge hardness indenter hardness metrology hardness of ceramics hardness of water hardness reference block hardness sensor hardness testing hardness testing scale hardnester hard news hard nodule hard of hearing hardometer hard palate hard permeable alloy hard photon hard porcelain hard probe hard process hard processes

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。