historical relic protection的意思|示意

China has as many as 29 world-level historical relic protection sites.

中国有多至29处的世界级历史文物保护点。

Historical relic protection is a science which deals with the reasons and mechanism of damage and corrosion of historical and cultural relics and thus provides protective techniques and measures.

文物保护技术是研究各类文物损坏、腐蚀的原由和机理，探索保护各种文物的技术方法的一门学科。

The enclosing walls of cultural relic protection units, heritage buildings and historical buildings should retain or have their original features restored.

文物保护单位、优秀历史建筑和保留历史建筑附属的围墙应当保持或恢复原有的特征。