地区长治久安 maintain long-term security and stability in the region

加热区长度 Heating length ; Heating Zone length

风区长度 fetch length ; [海洋] fetch

副区长 [管理] Deputy District Head ; Deputy District Mayor ; Deputy District Chief ; deputy head of district

调整缓冲区长度 Buffer size adjusted

林区长 district forester

教区长的 rectorial

营林区长 divisional officer

接触区长度 bearing length