The F-5 is an agile, highly maneuverable, reliable supersonic fighter, combining advanced aerodynamic design, engine performance and low operating costs.
F - 5是一架灵活、高度可控、可靠的超音速战斗机，它结合了先进的气动设计、发动机性能和低运营成本。
Modern low bypass ratio turbofan engine is the heart of the new fighter, whose performance and aerodynamic stability greatly affect the characteristics of the new fighter.
涡扇发动机作为现代战斗机的心脏，其性能和稳定性对战斗机的性能和稳定性能有很大的影响。
The machine adopts Dongfeng-Cummins engine with large power reservation, low fuel consumption, good performance of exhaust and good starting feature.
采用东风康明斯发动机，功率储备大，耗油低，尾气排放达标，起动性能好；
Advanced control theory is used for LPG engine AFR control and it is helpful for improving LPG engine's running performance and fully representing gas fuel's low emission superiority.
将先进的控制理论用于LPG发动机的空燃比控制，对于改善LPG发动机的工作性能和充分发挥气体燃料的低排放优势具有非常重要的意义。
Variable nozzle turbocharger (VNT) can improve the low-speed performance and emission of turbocharged diesel engine. Turbine experiment of JK90S turbocharger with rotating vanes was undertaken.
将所设计的JK90S转叶式可变喷嘴涡轮增压器进行了涡轮性能试验。
Although the fault rate of electronic control engine is low, and once it breaks down, which not only affects the engine's performance, but also difficult to diagnose.
虽然电控发动机故障率低，但一旦发生故障，不仅影响发动机的性能，而且故障诊断困难。
Hybrid electric vehicle, driven by the engine and electromotor, has the virtues of low pollution, high efficiency, and economical performance.
混合动力汽车是一种用发动机和电动机组合起来共同驱动的低污染、高效率和经济性能好的汽车。
Experimental results show that the exhaust tuning chamber can improve the engine performance at the middle low speed range.
试验表明，采用排气调谐腔能有效改善发动机在中低速区的性能。
It means that the effects of Reynolds number must be taken into account in turbofan engine performance simulation at high altitude with low flight speed.
因此在高空低速区航空发动机性能数值模拟必须考虑部件特性雷诺数的影响。
Fuel-pump pressure and capacity can be checked with special gauges. Low pump pressure will cause fuel starvation and poor engine performance.
燃油泵的压力和流通能力可以用专门的仪器进行检查。泵油压力下降可引起供油不足，并降低发动机的性能。
Some measures for improving the low speed performance of vehicle turbocharged diesel engine are proposed by the experiments of exhaust bypass valve resonant intake system as well as boost compensator.
本文通过废气旁通阀、进气谐振系统和增压补偿器的试验，分析了改善车用增压柴油机低速性能的方法。
On the basis of the thermodynamics model of two-spool turbofan engine, performance of two-spool turbofan engine was improved by after-burning between high and low turbines.
基于双轴涡扇发动机热力学模型，采用高低压涡轮间补燃的方法，实现了对发动机性能的改善。
The performance of turbocharged diesel engines at different high altitudes was studied on the engine test bed for simulating high altitude (low air pressure).
在内燃机高海拔(低气压)模拟试验台上，对不同模拟海拔高度下的涡轮增压柴油机性能进行了试验研究。
Theoretical and experimental results suggest that the engine performance at low load can be improved with the variable swirl twin inlet port.
理论计算与试验结果证明，采用双进气道可控进气涡流系统是改善大功率柴油机低负荷性能的一个有效途径。
As a prime mover of the naval ship's power plan, the low load performance of a diesel engine is a focus by us.
柴油机作为舰艇电站的原动机，其低负荷性能一直是人们关注的焦点。
Premium protection, heavy duty diesel engine oil, for low emission, high performance engines.
重负荷柴油机油，提供优异的保护功能，用于低排放高性能柴油发动机。
Significant potential may be tapped in the improvement of low speed performance for turbocharged and intercooled automotive diesel engine by resonant intake system.
结果表明，采用谐振进气系统可有效改善增压中冷柴油机的低速性能。
The variable geometry turbocharger(VGT) is used to improve the performance of high pressure-ratio diesel engine, particularly at low load.
采用可变几何涡轮增压器（VGT）是改善增压柴油机低工况的有效方法。
In the paper, as an example by some type low speed twin-engine airplane, theoretical research and analyses about the effect of the tip unit of a sheared wing on airplaneroll performance are conducted.
以某型双发低速飞机为例，对剪切翼梢装置对飞机滚转性能的影响进行了理论研究和分析。
Variable geometry turbine (VNT) can improve the low-speed performance and emission of turbocharged diesel engine.
可变喷嘴涡轮调节技术是改善增压柴油机低速性能、降低柴油机排放的有效措施。
By means of the tuning chamber, the tuning speed range of exhaust system is widened. Thus, the two-stroke petrol engine performance at the middle-low speed range can be improved.
本文采用加装排气调谐腔的方法，拓宽了摩托车用二冲程汽油机排气系统的调谐转速范围，有效地改善了发动机在中低速区的性能。
High performance, low ash, High-powered, heavy duty, high speed diesel engine oil, high quality stable antioxidant, anti-wear, anti-septic and corrosion inhibitors.
高强性，灰份低、大马力、重负荷高速柴油发动机油，卓越的氧化安定性，优异的防腐性和抗磨性。
Span multi-level synthesis engine oil, has excellent high temperature wear resistance and smooth low-temperature startup performance, Four Seasons General.
大跨度多级合成型发动机油，具有卓越的高温抗磨性能和顺畅的低温启动性能，四季通用。
Large span multi-level synthetic engine oil, has excellent high temperature wear resistance and smooth flow of low-temperature startup performance, enhance engine power.
超大跨度多级合成发动机油，具有卓越的高温抗磨性能和顺滑流畅的低温启动性能，提升发动机动力。
The traditional turbocharger cannot match well with engine at all low speed and high speed conditions. At the same time the economic performance at sub load and acceleration characteristic is poor.
传统废气涡轮增压器很难同时兼顾高速、低速柴油机工况，同时存在着部分负荷经济性和加速性能差等问题。
The traditional turbocharger cannot match well with engine at all low speed and high speed conditions. At the same time the economic performance at sub load and acceleration characteristic is poor.
传统废气涡轮增压器很难同时兼顾高速、低速柴油机工况，同时存在着部分负荷经济性和加速性能差等问题。
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