描写:四月十号,位于南美圭亚那波塔罗(Potaro)河上的凯厄图尔平地流水(Kaieteur Fevery single ones),是天底下高度差最大的平地流水,铅直高度差226米。
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毛茸茸的网球比表面光滑的球飞得快的原因正是这个原理,波塔罗解释说。
A fuzzy tennis ball flies faster than a bald one for the same reason, Mr Bottaro explains.
波塔罗正在打算弄清楚“在湍流条件下”猪鬃的表现将会如何,并且考虑飞机遭遇的气候条件范围。
Bottaro is now planning to see how the bristles will perform "under turbulent conditions", taking into account the range of weather conditions that aeroplanes encounter.
为了测试这些羽毛的效果,波塔罗和他的研究小组制造了一个 20 厘米直径的计算机模型圆柱体。
Totest the effects of these feathers, Bottaro and his team created a 20cmdiameter computer model cylinder.
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