A medium-thick shelterbelt can reduce wind velocity by more than 10 percent to a distance of 20 times the tree height on the leeward side and three times the height to the windward.

中等厚度的防风林在背风侧可在20倍于树高的距离而在迎风侧则在3倍于树高的距离上减小风速10%以上。

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A day before the crash, in an interview from Airshow TV, Leeward expressed confidence about his prospects in the race — while hinting that his team would fly even faster in the days to come.

事故发生的前一天，在空中秀电视台一个访问节目中，里沃德曾信心满满的表示出他对赛事的期望，并暗示他的队伍在接下来的几天中会飞行的更快。

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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.

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。

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