最后，一些历史上著名的船只使用下风板(leeboard)取代活动龙骨板；这些下风板悬挂在船只底部的两侧，可以像活动龙骨板一样被放下来以抵抗侧向晃动。

Finally, some historic craft have leeboards instead of centerboards; these boards, mounted outside the hull on both sides, can be pivoted down like a centerboard to resist leeward motion.

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介绍了连通式油气悬挂车辆在正常行驶、两侧车轮载荷不同及车辆转弯时三种不同状态下数学模型的建立。

This paper introduces the math-models found of interconnect oil-air suspension vehicle in normal state, under different load of two wheels, and on vehicle turning the corner state.

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该持物件的锚颈部卡入扣孔，而该锚头部与肩部共同夹持住扣孔两侧而定位，而延伸部则供扣接或悬挂承置物。

The anchor head and the shoulder jointly hold both sides of the buckle hole to be positioned. The extended part is buckled or hung with a hung object.

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