“river valley landform”的概念、定义、翻译、参考文献-科学参考

单词	river valley landform
释义	river valley landform Encyclopedia 理学河谷地貌释 river valley landform河谷地貌河谷形态及河谷内的各种地貌类型。河谷是河水所流经的呈线状延伸的凹地，由河水侵蚀冲刷而成。
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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。