Quayside container cranes are easily attacked by typhoon or paroxysmal fitful wind because of the big windward area and the high center of gravity.

岸边集装箱起重机（以下简称“岸桥”）迎风面积大，重心高，故在台风或突发性阵风发生时很容易遭受风力的袭击产生事故。

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As the jack-up platform has a higher centre of gravity and a larger windward area, owner, designers and operators are extremely concerned for its floating stability.

自升式平台由于重心高、受风面积大，它的漂浮稳性一直是业主、设计者和操作者最为关注的问题之一。

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After synthetically calculating the fragment windward area and the measurement data of the speed, we can obtain the initial velocity of the shot and the decay coefficient of the fragment.

对获得的典型弹片迎风面积和弹片测速数据综合计算，就可获得弹丸初速及弹片衰减系数。

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