1. 营汛是什么意思
1. 为加强对地方社会的控制，国家调整和重建了巡检司、营汛等基层行政、军事机构，但在变乱时期，这些官方机构所起到的作用十分有限。
In order to strengthen local social control, many grass-roots units were adjusted and rebuilded. But grass-roots units seemed functioning with a limited span during the period of social upheaval.