之后，将其放入风洞以计算升阻比，有时也被称为滑翔比。

Then they popped the fish into a wind tunnel to calculate their lift-to-drag ratios, sometimes called the glide ratio.

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最佳滑翔速度—滑翔机获得最佳滑翔比的空速。

Best glide speed -airspeed at which a glider achieves best glide ratio.

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确定投影比(0.8)，在绳索长度一定的情况下，投影比越小，展向刚性越好，但是同时滑翔比越小。

Define the projected ratio (0.8), while the rope length has been fixed, smaller is projected ratio and more solid is the span. But the disadvantage is smaller the glide ratio.

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