旧制

yī jiù zhì

依旧制

act in strict accordance with old practices

fǎ guó jiù zhì miàn jī dān wèi

法国旧制面积单位

a former French unit of area

xiàn jīn shì chǐ hé shì jīn yǐ chéng jiù zhì

现今市尺和市斤已成旧制。

Nowadays chi and jin belong to the old system of weights and measures.