在飞行中的

Period of time and are used primarily for insecticide applications to control flying insects.

的液滴会漂浮在空气中一段时间，主要是控制和消灭飞行害虫。

But belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies

在空中十分自如，可以飞行6，000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。这些鸟对我们是有益的

It tires not nor does it boast of its power; but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home feeding its flown young as it flies and slipping through a medium that seems to help its passage even when the wind is adverse.

燕子充分兼有这两类鸟的长处，它既不疲劳，也不炫耀自己的飞翔力；在空中十分自如，可以飞行6，000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。

It tires not, nor does it boast of its power; but belongs to the air, traveling it may be six thousand miles to and from it northern nesting home; feeding its flown young as it flies; and slipping through a medium that seems to help its passage even when the wind is adverse.

它既不疲劳，也不炫耀自己的飞翔力；在空中十分自如，可以飞行6000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。

It tires not, nor does it boast of its power; but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies, and slipping through a mediam that seems to help its passage even when the wind is reverse.

燕子充分兼有这两类鸟的长处，它既不疲劳，也不炫耀自己的飞翔力；在空中十分自如，可以飞行6，000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。

The swallow shares the virtues of both schools in highest measure. It tires not, nor does it boast of its power; but belongs to the air, travelling it may be six thousand miles to and from its northern nesting home, feeding its flown young as it flies, and slipping through a medium that seems to help its passage even when the wind is adverse.

燕子充分兼有这两类鸟的长处，它既不疲劳，也不炫耀自己的飞翔力；在空中十分自如，可以飞行6，000英里，可以飞往北方做窝的老家，再从老家飞回；一边飞一边喂养会飞的雏燕，甚至在顶风时也能在气流中滑翔，似乎气流在帮它前进。

And also the candle flame shape flying parabola line has been analyzed.

对在作抛物线飞行过程中的蜡烛火

Just remember what you learned by piloting wanzers in the French Army, and you should do fine.v

只是你们要记信在法国军队Wanzers 飞行中所学到的，而且你们应该学好。

The paper mainly discusses application of real-time database on the flight safety monitoring.

文章主要讨论了实时数据库在飞机飞行安全实时监控中的应用。

Bradley Rotter saw up close the adventurous side of Shanks: I remember he bought a jet helicopter, and was learning to fly it and wanted to take me out on one of his maiden missions.

布拉德利·罗特见证了冒险中的桑克斯：我记得他买了一架飞机，他当时还在学开飞机，就叫我和他一起进行第一次飞行。

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。