“河谷地貌”的概念、定义、翻译、参考文献-科学参考

单词	河谷地貌
释义	河谷地貌 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。
随便看	time and frequency measurement instruments time and frequency measurements time and frequency metrology time and frequency primary standard time and frequency service time and frequency signal time and frequency synchronization time and frequency transfer time and frequency transfer via optical fiber time and space time and space crisscross time and space problem time and spatial art Time Arts time aspect of stage time average time-averaged holography time-averaged interferometry time average holographic interference time average measurement time average method time averaging time averaging method time axis time balance

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。