“毛皮贸易”的概念、定义、翻译、参考文献-科学参考

单词	毛皮贸易
释义	毛皮贸易 Encyclopedia 历史学加拿大历史释 Fur Trade毛皮贸易 17～19世纪法国、英国、荷兰等国商人在加拿大用欧洲日用品、金属工具、皮划艇和约克船等与印第安人交换海狸皮的贸易活动。
随便看	close-to-convex function close-to-critical close-to-elliptic equation close-to-natural forest management close to nature forestry close-to-open mapping closet play close-type sprinkler system close-up close-up accessory close-up lens close up mode closing closing error closing error in coordinate increment closing lemma closing management for soil and water conservation closing overvoltage closing price closing process closing sum closing time closo closo- closo complex

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。