“South African Labor History”的概念、定义、翻译、参考文献-科学参考

单词	South African Labor History
释义	South African Labor History Encyclopedia 历史学南非历史释 South African Labor History南非劳工史南非劳工群体参与经济生产生活和抗争的历史。历史学南非历史释 South African Labor History南非劳工史研究南非劳工的历史。
随便看	precession precessional constant precessional motion precession circle precession coefficient precession cone precession constant precession frequency precession globe precession in declination precession in latitude precession in longitude precession in right ascension precession method precession of orbit precession of perihelion precession of the earth precession of the equinox precession period precession rate prechamber pre-charge precharge precheck Pre Chin-shih

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。