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.
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.
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.
现代运动用滑翔机的机翼长而细薄，拥有最佳的空气动力学效率，其升阻比达到50：1。
A modern sports glider, with long, slender wings, is the most aerodynamically efficient aircraft, with a lift-to-drag ratio of around 50:1.
一架轻型飞机通常拥有10：1的升阻比；而对于悬挂式滑翔机来说，这个比例大概是15：1。
A light aircraft typically has a lift-to-drag ratio of around 10:1; for a hang-glider, the ratio is about 15:1.
它仅重1千5百千克，比同等规模的高性能滑翔机重量的五分之一还轻。
It weighs just 1, 500 kilograms, making it five times lighter than a high-performance glider would be if made that big.
“说得有点道理，”乔纳森说着，打了个滚地，倒着身子滑翔了一会儿，“这比说跑在时代前面好一些。”
"That's something," Jonathan said rolling to glide inverted for a while. "That's not half as bad as being ahead of our time."
“说得有点道理，”乔纳森说着，打了个滚地，倒着身子滑翔了一会儿，“这比说跑在时代前面好一些。”
"That's something," Jonathan said rolling to glide inverted for a while. "That's not half as bad as being ahead of our time."
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