“Westward Movement”的概念、定义、翻译、参考文献-科学参考

单词	Westward Movement
释义	Westward Movement Encyclopedia 管理学美国近代农业经济释 Westward Movement西进运动美国东部居民向西部地区迁移和进行开发的过程。始于18世纪末，终于19世纪末20世纪初。历史学美国历史释 Westward Movement西进运动美国历史上大规模向西部地区迁徙、拓殖和开发，直至将领土扩张至太平洋沿岸，最终使美国变成横跨两洋的世界强国的运动。
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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。