A: The precinct officer should have memorized the situation of every household and the name of the head of the household for everything in his jurisdiction, it should reach the level of 'seeing a person and knowing their name, of seeing their name and knowing the person.' It is also necessary to grasp the population turnover. Only that will meet the standard, and can prevent crime.
答：警勤區警員對他管轄範圍內，每一住戶的狀況、戶長姓名，均應熟記，要做到見人知名、見名知人，還要能切實掌握人口的動態，這樣才算及格，也才能達到防止犯罪的功能。