“Chinese historical dialects”的概念、定义、翻译、参考文献-科学参考

单词	Chinese historical dialects
释义	Chinese historical dialects Encyclopedia 理学中国历史方言释 Chinese historical dialects中国历史时期方言主要指汉语的地域方言。自先秦以降，汉语既有时代变化，又有各种方言的分布变迁，受纵横两方面交互影响，逐渐演变为现代汉语方言格局。
随便看	engineering design agency engineering design audit engineering design for urban rail transit engineering detection instrument engineering digital survey management system engineering digital survey technology engineering document management engineering drawing editing engineering ecology outlook engineering economic analysis engineering economics engineering education accreditation criteria engineering environmental complexity engineering estimation method engineering ethic engineering ethics engineering evolution engineering exposure engineering fluid mechanics engineering for agricultural environmental protection engineering geological borehole histogram engineering geological classification for bunds engineering geological classification for levee foundation engineering geological classification for rock and soil engineering geological condition

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。