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met·a·cen·ter AHD[mĕtʹə-sĕn'tər] D.J.[ˈmetəˌsentə]K.K.[ˈmɛtəˌsɛntɚ]n.（名词） top: upward thrust of buoyancy (B) and downward thrust of gravity (G) allow a stable ship to right itself when heeledbottom: with a metacenter (M) below gravity, forces of gravity and buoyancy are further apart and will cause an unstable ship to capsize when heeledPrecision Graphics- The intersection of vertical lines through the center of buoyancy of a floating body when it is at equilibrium and when it is floating at an angle. The location of the metacenter is an indication of the stability of a floating body.定倾中心：当浮体处于平衡状态并与水面成角度时，通过浮体浮力中心的垂直线的交点。定倾中心的位置表明了这一浮体的平稳性
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