adj.未經(jīng)授權(quán)的；未經(jīng)批準的

Ensure unauthorized personnel do not enter confined space. 確保未經(jīng)授權(quán)的人員進入有限空間。

Firewalls prevent unauthorized access from a private network. 防火墻防止來自專用網(wǎng)絡(luò)未經(jīng)授權(quán)的訪問。

This clause provides against any unauthorized absence from duty. 這一條條文禁止任何未經(jīng)批準的缺勤。