an order or a rule made by a government or somebody in a position of authority 法令；条例；指示；训令 Oxford Collocations DictionaryOrdinance is used after these nouns:- preservation
Word OriginMiddle English (also in the sense ‘arrangement in ranks’): from Old French ordenance, from medieval Latin ordinantia, from Latin ordinare ‘put in order’, from ordo, ordin- ‘row, series, rank’.