Glide ratio is an important factor in such an incident.

滑翔比是此类事件的重要因素。

It's able to dive, it's got a nice glide ratio going.

它能够潜水，并且有很好的滑翔比。

A  Boeing 747- 200 had a glide ratio of 15: 1, and a Boeing 727 has a ratio of 17: 1.

波音 747-200 的滑翔比为 15: 1，而波音 727 的滑翔比为 17: 1。