近水面水翼
hydrofoil near free surface
水面/水下监视协调官
surface/subsurface surveillance soordinator
SSSC
水面水力特征
hydrodynamic feature of surface
梯形断面水面线
water surface profiles of trapezoid
无人水面艇系统
unmanned surface vehicle system
农业从业人员人数
Agricultural employe’s number of people
文职人员人事中心主任
head civilian officers’ personnel centre