在森林的空地上，零散地生长着红石竹和五叶银莲花，蝴蝶在阳光下翩翩起舞。空气温和而又平静。
In a forest clearing, scattered with red campion and wood anemone, butterflies are.
对本文模型而言，与实度相比较，叶尖损失对五叶片风轮的影响要大于三叶片风轮。
Compared with the solidity, the influence of tip loss on five-blade is bigger than three-blade for this model.
文中还就最佳直径问题，将新图谱与以前发表的三叶至五叶B型螺旋桨图谱作了比较。
On the optimum diameter problem of3 to 5 blade B-propellers, the new diagrams are compared with the old ones.
文中还就最佳直径问题，将新图谱与以前发表的三叶至五叶B型螺旋桨图谱作了比较。
On the optimum diameter problem of3 to 5 blade B-propellers, the new diagrams are compared with the old ones.
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