The modern airplane design works well, but from a fuel efficiency standpoint, could planes be designed more aerodynamically — to lower drag and increase lift?
现代的飞机设计做得很好，但立足于燃料效率来看，飞机是否能设计得更符合空气动力学——降低阻力还是增加动力？
The machine can lift quickly, has high production efficiency, good usage functions, simple structure, convenient to operate and repair, reliable safety protection instrument.
该机可采用快速提升，生产率高，使用性能良好，结构简单，易于操作维修，安全保护装置齐全可靠等特点。
Old drying stove is re-equiped into far infrared heating drying stove for underground machinery repaired. It can lift repair efficiency, save power and safety and reliable.
由旧式干燥炉改装成远红外加热干燥炉，用于井下机械维修，既提高了维修效率，又节约了电能，而且安全可靠。
Pass the high quality that the improvement keeps a Toyota, from the small place of economical lift high-efficiency, again take this as new standard, continue to practice improvement sport.
通过改进保持丰田的高品质，从细微处的节省提高效率，再以此为新的标准，继续实行改进运动。
Promote the fair competition among insured institutions, enhance operational efficiency, lift the competitiveness of insured institutions.
促进受保机构间公平竞争，提高经营效率，提升受保金融机构的市场竞争力。
Since the effect of parasitic elements limits the output voltage and power transfer efficiency of DC-DC converters, voltage lift technique opens a good way to improve circuit characteristics.
受寄生元件的影响，DC - DC升压变换器的输出电压和功率传递效率受到限制，电压举升技术为改善电路特性提供了好方法。
In the purpose of improving the efficiency of gas lift system, it is studied well for the continue gas lift unloading in theory, and the reliabilities of results are validated through the practices.
以提高气举采油系统效率为出发点，从理论研究方面深入认识了连续气举卸载过程，通过对模拟结果的现场应用验证了其可靠性。
This paper, focusing on the web office system for teaching quality management platform, intends to lift the working efficiency and make full use of web resources of colleges and universities.
本文所研究的是基于教学质量管理平台的网络办公系统，旨在提高办公效率，充分利用高校网络资源。
Since the core of motor driving is algorithm, how TI to lift the efficiency of frequency conversion control algorithm?
电机的核心是算法，TI如何提升变频控制的算法效率？ ？
Waterpower part: adopting the perfect waterpower model design to make the runoff, lift and efficiency of the pump more reasonably.
水力部分：采用优秀水力模型设计，使水泵流量、扬程、效率三者更为合理。
Variable-speed control we already know, at a certain speed axial flow pump are working under, and to obtain the corresponding flow, lift, power and efficiency.
变速调节我们已经知道，轴流泵是在一定转速下工作的，而且获得相应的流量、扬程、功率和效率等。
In use, with the flow, changes in lift, submersible pump motor efficiency and a corresponding change in power, the use of submersible pump of the economy and have a certain impact on reliability.
使用中，随着流量、扬程发生变化，潜水电泵的效率和电动机功率也相应发生变化，对潜水电泵使用的经济性和可靠性有一定的影响。
The circulation can reduce waiting time of passengers, reduce occupation space of lift and improve carrying efficiency.
可减少乘员等待的时间，减少电梯占用空间，提高运载效率。
The net-shape forging is an advanced technology . It may not only lift material utilization from 40% to 70%, but also lift the gear strength over 20% and production efficiency over 40%.
齿轮精密成形是一种齿轮少无切削加工的新工艺，它不仅可使齿轮加工的材料利用率由目前的40%左右提高到70%以上，而且提高齿轮强度20%以上、生产效率40%左右。
Dynamic stability of an electric fork-lift exerts direct effects on the performance quality, efficiency and safety.
电动叉车的动态稳定性直接影响其工作质量、效率与安全。
Equipped with efficient burner, lift temperature fast, high production efficiency.
配有高效燃烧器，提温快、生产效率高。
Such as flow lift power efficiency speed and so on.
例如流量、扬程、功率、效率、转速等。
For operation on tracks, the track lift can briefly finish position monitoring, active operation, semi-active operation with high efficiency.
因为在轨迹上运转，轨迹吊较简略完成整机状况的监测定位，可完成多种主动、半主动操控，进步功率。
Presses the system to provide the motive with the liquid, then reduce the workload, lift high-efficiency, also can reduce the personnel to hurt.
用液压系统来提供动力，进而减少工作量，提高效率，也能减少人员损伤。
It is shown after analysis that the efficiency of roto-jet pump is higher than theefficiency of multistage pump and express pump when it operates in the region of low dis-charge and high lift.
通过对提高某化工装置反应器进料泵扬程两种方法的分析对比、实验研究，提出短叶片偏置设计法是提高低比转速离心泵扬程和效率的有效方法。
It is characterized in that the table lift device ensures the working table position to meet workers comfortable working height, which can save labor force and working efficiency;
由台面升降机构保障作业台面的位置满足到作业工人的舒适作业高度，能体现操作省力、提高作业效率；
Presses the system to provide the motive with the liquid, then reduce the workload, lift high-efficiency, also can reduce the personnel to hurt.
用液压系统来提供动力进而减少工作量提高效率也能减少人员损伤。
The safety valve can make the lifting fluid-pressure drive circuit of a fork lift truck or a crane obtain not only high efficiency ascending speed, but also reliable and safe descending speed.
该安全阀使叉车或起重机的起升液压驱动回路既有高效率的上升速度，又有可靠的安全下降速度。
It is clear that the influence has mainly three aspects, hydraulic efficiency, dynamic properties and theoretical delivery lift.
明确了这种影响主要体现在三个方面，即泵的水力效率及其动力性能和理论扬程。
The annular air-lift inner circulating reactor is one inner circulating reactor with high gas-liquid separating efficiency and excellent gas distributing effect.
一种环隙气升式内环流反应器，涉及一种具有高气液分离效率和良好布气效果的内环流反应器。
The annular air-lift inner circulating reactor is one inner circulating reactor with high gas-liquid separating efficiency and excellent gas distributing effect.
一种环隙气升式内环流反应器，涉及一种具有高气液分离效率和良好布气效果的内环流反应器。
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