“historical and cultural preservation districts in China”的概念、定义、翻译、参考文献-科学参考

单词	historical and cultural preservation districts in China
释义	historical and cultural preservation districts in China Encyclopedia 理学中国城市空间结构释 historical and cultural preservation districts in China中国城市历史文化保护区文物古迹比较集中，或能较完整地体现出某一历史时期的传统风貌和民族地方的特色的街区、建筑群、小镇、村寨等。
随便看	negative orientation negative orthant negative parallax negative part negative particular proposition negative part of a function negative part of an element negative peak negative pedal curve negative perfect correlation negative permeability materials negative permittivity materials negative phototropism negative plate negative platemaking negative Poisson's ratio material negative polarity items negative polarity machining negative polynomial distribution negative-positive photographic system negative pressure negative pressure injection negative pressure method for deposit negative-pressure pulverizer with intermediate storage bunker negative pressure region

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。