滑翔飞行

Maximization of cruise missile s terminal power-free glide distance has a great significance to raise its tactical index.

优化飞航导弹末段无动力飞行阶段的滑翔距离，对于提高导弹的战技指标具有很大的意义。

In terms of the fundamental restructuring of the pterosaur bauplan, the high diversity of food sources from the air (such as feathered dinosaurs, gliding mammals, small pterosaurs and insects) might have been one of the causes responsible for the first evolution of the skull and neck.

从达尔文翼龙的骨骼结构变化上看，空中丰富的食物来源(比如飞行能力差的、带羽毛的恐龙、滑翔的哺乳动物、小的翼龙及昆虫等)，可能为导致翼龙头骨和颈部首先演化的原因之一。

Huanjiang pterosaur fossils from that we can understand that Huanjiang pterosaur wing is an original hand-long class, the wings expand to more than two meters long, can fly by gliding in the air, but also on the ground running, swimming in the lake.

由环江翼龙化石我们可以了解到，环江翼龙属原始的翼手龙类，翅膀展开来有两米多长，能借助滑翔在空中飞行，也能在地上行走，在湖泊中游泳。

Before flying , glider and sailplane pilots may be interested to know if there is adequate lift due to upward air currents

在飞行之前，滑翔机师及模型机操作专家可能想知道有没有上升气流提供足够的抬升动力。

Aviation sports activities , including paragliding and model sailplane soaring , are becoming more popular in hong kong in recent years

飞行运动如滑翔降伞和模型滑翔机近年在香港逐渐流行。

A computer simulation of the flight performance of Microraptor suggests that its biplane wings were adapted for undulatory "phugoid" gliding between trees, where the horizontal feathered tail offered additional lift and stability and controlled pitch.

计算机模拟的飞行性能microraptor表明，其双平面的翅膀被改编为波动" phugoid "滑翔之间的树木，如横向有羽毛的尾部提供了更多的升降机及稳定和控制音高。

A computer simulation of the flight performance of Microraptor suggested that its biplane wings were adapted for undulatory "phugoid" gliding between trees, where the horizontal feathered tail offered additional lift and stability and controlled pitch.

计算机模拟的飞行性能microraptor建议，其双平面的翅膀被改编为波动" phugoid "滑翔之间的树木，如横向有羽毛的尾部提供了更多的升降机及稳定和控制音高。

A computer simulation of the flight performance of Microraptor suggests that its biplane wings were adapted for undulatory "phugoid" gliding between trees, where the horizontal feathered tail offered additional lift and stability and controlled pitch.

计算机模拟的飞行性能microraptor表明，其双平面的翅膀被改编为波动& phugoid &滑翔之间的树木，如横向有羽毛的尾部提供了更多的升降机及稳定和控制音高。

A computer simulation of the flight performance of Microraptor suggested that its biplane wings were adapted for undulatory "phugoid" gliding between trees, where the horizontal feathered tail offered additional lift and stability and controlled pitch.

计算机模拟的飞行性能microraptor建议，其双平面的翅膀被改编为波动& phugoid &滑翔之间的树木，如横向有羽毛的尾部提供了更多的升降机及稳定和控制音高。

A special parachute with winglike extensions that lifts a rider in its harness up and through the air when towed by an automobile or motorboat.

帆伞，滑翔伞一种有翼状延展部分的特殊的降落伞，当用汽车或汽艇牵引后，能将乘坐人用吊带带上天空并在空中飞行

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。