1、I did not know if they used the metric or the imperial system of measurement.
我不知道他們是用公制還是英制單位。

2、Of or belonging to the British Imperial System of weights and measures.
度量衡英制的度量衡英制的或屬于度量衡英制的

3、They made an objection to the imperial system with resolution.
他們堅決反對帝制。

imperial system翻譯