生活饮用水地表水源保护区分为一级保护区和其他等级保护区。
Such protection zones shall be divided into first-grade protection zones and protection zones of other grades.
自1978年以来他一直是学校和区一级的领导者。
He has been a leader in schools and at the district level since 1978.
路，作为一级监察区在北宋的监察体系中举足轻重。
Road as a rank of monitoring area was an essential park of the Northern Song monitoring system.
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