在1960和1970年代，大部分个人和企业的飞机是飞行高度低于喷气式飞机的螺旋桨式或涡轮螺旋桨式飞机。
In the 1960s and 1970s, most personal and corporate planes were propeller or turbo-prop aircraft, which fly at a lower altitude than jetliners.
本文着重对轴流转桨式水轮机的特性进行建模。
This article focuses on Kaplan turbine model characteristics.
在螺旋桨式风机的静压曲线中存在着不稳定区域或断点。
There is always an unstable region or break in the static pressure curve of a propeller fan.
因此，展开轴流转桨式水轮机内部流动特性的研究具有重要经济意义。
Therefore, the study for internal flow characteristics of Kaplan turbine has important theoretical and practical significance.
对大型轴流转桨式水轮机转轮接力器活塞环的结构特点及加工方法进行了研究分析。
The structural characteristic and machining method of runner blade servomotor piston ring for large Kaplan turbine are studied.
本文运用可靠性设计理论分析了螺旋桨式搅拌机链传动失效的原因，并提出了相应的改进方法。
The reason that propeller mixer chain lost efficacy was analyzed by the reliability design theory, and some advices were given in this paper.
运输车上设置起重吊装设备，在装卸运输物以及简易螺旋桨式吊运装置时，节省人力和装卸时间。
A hoisting device is arranged on the transport cart, which saves labor and loading time when transported objects are loaded and the simple propeller lifting device is arranged.
因此，展开含沙河流中轴流转桨式水轮机内部流动特性的研究具有重要的理论意义与实际应用价值。
Therefore, it is very important and significant to investigate the interior flow characteristic of Kaplan turbine running in silt-laden river.
本文分析了转桨式水轮机采用两种不同协联结构时，调速系统的稳态误差及稳态误差与调差率的关系。
The static errors and their relationship with the ep of the governing system for Kaplan turbines, with two different of on-cam structures are analysed in this paper.
根据特种氢氧化铝的特点，介绍了双轴桨式干燥机的使用情况，为进一步完善其工艺和设计提供了依据。
Based on the special aluminium hydrate characteristics, the application of biaxial paddle dryers was presented, and some bases were provided for improving their technology and design.
兰州石化公司催化剂厂分子筛车间的桨式干燥器，其桨叶发生了腐蚀开裂，经分析为焊缝晶间腐蚀和磨蚀。
The corrosion cracking occurs on the blades of pedal type dryer in the molecular sieve workshop of Catalyst Factory of Lanzhou Petrochemical Company.
文中首先给出自动驾驶仪的调节规律，继而列出装备有自动驾驶仪的单旋翼带尾桨式直升机的无量纲运动方程。
At first, control law of the autopilot equipment was given, then the non-dimensional dynamic equations of the single rotor helicopter with autopilot equipment were derived.
经过四个月的飞行训练，威廉王子学会驾驶螺旋桨式飞机和直升飞机。他是英国王室中成为皇家空军飞行员的第四代成员。
He learnt how to fly propeller-powered planes and helicopters and is the fourth generation of British royals to become an RAF pilot .
本文分析了影响桨式搅拌系统功率的因素，提出了制造、安装问题造成的系统过载现象的处理办法，具有一定的生产实践意义。
And methods were put forward to handle the power over-loading of the pugmill system, which were caused by manufacturing and fixing.
“高速”型的现代水平轴风力涡轮机，如用于大规模发电的那种，一般包括两个或三个直径为100米或更大的螺旋桨式叶片。
Modern horizontal axis wind turbines of the "high-speed" type, as used in large scale power generation, typically include two or three propeller-style blades with a diameter of 100 meters or more.
Lange的Antares20e是单座可带伸缩螺旋桨式滑翔机，由40千瓦电动机驱动，并在机翼前缘装有72个锂电池。
Lange's Antares 20e is a single-seat glider with a retractable propeller powered by a 40kw electric motor and 72 lithium-ion cells mounted in the leading edges of its wings.
由于轴流定桨式水轮机容量较小，其在特定条件下的减容改造问题不易引起有关部门的重视，因而这项工作在国内外很少有人从事。
For the capacity of propeller turbine is often small, people pay little importance on the transformation of reducing capacity under specified co.
那么其他的一些飞行器，比如说直升飞机，螺旋桨飞机，他们没有喷气式引擎，可以在这种条件下飞行吗？
So can other aircraft, such as helicopters or prop-planes that don't have jet engines, fly through these conditions?
俱乐部的墙上满是波兰飞行员的黑白相片，还有一个喷火式战斗机的巨大螺旋桨悬挂在一面墙上。
The walls of the club were covered with black-and-white photos of Polish pilots, and a huge propeller from a Spitfire was fixed to one wall.
提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼，有点回归于螺旋桨的味道，但要使用两圈粗短的反旋桨叶。
One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
而且不同于喷气式战斗机，涡轮螺旋桨飞机可以在公路和田野上进行起飞与降落。
And, unlike jets, turboprops can use roads and fields for take-off and landing.
轻型涡轮螺旋桨攻击机的经济性不仅比喷气式战斗机优越，与武装无人机相比也毫不逊色。
It is not only jets that light-attack turboprops can outperform. Armed drones have drawbacks, too.
军事技术：出于各种原因，小型、低速，但花费要少得多的螺旋桨飞机开始取代昂贵的喷气式战斗机。
Military technology: Small, slow but much less costly, propeller-driven planes are starting to displace fancy fighter jets, for a variety of reasons.
它使用一个安装在后面的推进式螺旋桨并有一对一上一下反向旋转的主旋翼。
The X2 uses a pusher propeller mounted at the rear and has a pair of contra-rotating main rotors, one positioned above the other.
至少根据曾在20世纪70年代驾驶涡轮螺旋桨飞机完成在柬埔寨的战斗任务力德先生所言，涡轮螺旋桨飞机比起喷气式战斗机还有另一个好处。
And there is one other advantage that the turboprop has over the jet, at least according to Mr Read-who flew turboprops on combat missions in Cambodia during the 1970s.
航空业的革新集中于民用航空喷气式发动机的研发，首先是涡轮螺旋桨发动机，后来是纯粹的喷气机。
Innovation in aviation has centered on the development of the jet engine for civil use, first in a turbo propeller form and later as a pure jet.
航空业的革新集中于民用航空喷气式发动机的研发，首先是涡轮螺旋桨发动机，后来是纯粹的喷气机。
Innovation in aviation has centered on the development of the jet engine for civil use, first in a turbo propeller form and later as a pure jet.
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