patrol system
警员巡逻制度 the beat-patrol system
消防巡逻制度 fire patrol system
我们有了一位出色的处长接替他的职位，我对我们的出入境制度、签证制度以及边防巡逻等的廉正操守信心十足。
We have an excellent Director of immigration in his place and I have full confidence in the integrity of our immigration system, our system of issuing visas and policing checks at our frontiers.
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