preservation order
noun [ C ] UK uk/prez.əˈveɪ.ʃən ˌɔː.dər/ us/prez.ɚˈveɪ.ʃən ˌɔːr.dɚ/
文物及环境保护法令
an official decision that a building or area has special value and must be kept in good condition
This avenue of mature trees has a preservation order on it. 这条林荫大道属于保护范围。