1、An International System unit of power equal to one joule per second.
瓦特國際功率單位，等于1焦耳／秒

2、How do I report system unit activity?
如何報(bào)告系統(tǒng)單元活動(dòng)？

3、The newly created operating system unit needs to be hosted on a server.
新創(chuàng)建的操作系統(tǒng)需要位于一個(gè)服務(wù)器上。

system unit翻譯