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第二条人民警察实行警衔制度。
Article 2 a system of police ranks shall be practised for the people's police.
youdao
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还发现警衔和收入及其交互作用对吸烟行为有明显的影响。
The rank, income and interaction had effect on smoking behavior.
youdao
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还发现警衔和收入及其交互作用对吸烟行为有明显的影响。
The rank, income and interaction had effect on smoking behavior.
youdao