advance ratio
英 [ədˈvɑːns ˈreɪʃiəʊ]
美 [ədˈvæns ˈreɪʃioʊ]
进速比；相对进距
双语例句
- Three elements of evaluation on technological advance contribution ratio& three factors method
技术进步贡献率评价的三要素&三因素方法 - This paper presents the analyses of the aerodynamic interaction between the two rotors of a coaxial rotor helicopter and the change of interaction with the increase of the advance ratio.
介绍了共轴式直升机在悬停和前飞时，上下旋翼之间的气动干扰及干扰随前进比变化的情况。 - What are the tools of managing your factoring exposure, i. e. advance ratio, eligibility ratio?
管理保理的风险暴露有哪些工具，如：预付比例，合格率？ - The results show that high temperature is not beneficial to fix sulfur but rich oxygen can advance sulfur-fixation ratio.
研究发现高温不利于固硫，但富氧能提高固硫率。 - To exploit medical information resources, advance the utilizing ratio of medical periodicals
开发医学信息资源提高医学期刊利用率 - Then basic calibration such as ECU I/ O calibration, idle speed calibration, cold start calibration, ignition advance calibration, air fuel ratio calibration, boost pressure calibration are conducted.
同时对稀薄燃烧、增压中冷发动机做了ECUI/O标定、怠速标定、冷启动标定、对电控系统进行全工况内点火提前角的标定、内空燃比的标定、发动机增压压力标定。 - The research result shows that advance force and stability ratio N are the main factors controlling the deformation of old tunnel.
研究表明，推进力和稳定比N是影响老隧道变形的主要因素。 - The pilot fuel supply advance angle and the substitution ratio of natural gas to diesel are two important factors influencing the dualfuel ( natural gas and diesel) engine emission.
本文对引燃柴油供油提前角和天然气替代柴油率对天然气/柴油双燃料发动机排放性能的影响进行了试验研究。 - New Advance in Kinetic Model of Stable Carbon Isotope Ratio in Natural Gas
天然气碳同位素动力学模型研究新进展 - The affecting factors of carcass lean ratio of pigs were outlined from the respects of nutriology, and the advance and evaluation in improving carcass lean ratio of pigs with nutriology method were expounded.
从营养学角度阐述了影响猪胴体瘦肉率的因素，综述了利用营养学途径提高猪胴体瘦肉率的进展，并对此进行了评价。 - Influence of engine performance with ignition advance and air-fuel ratio was discussed and studied in detail.
本文对点火提前角和空燃比对发动机的性能影响作了较为深入的理论研究。 - In hover, and rotor control angles and power required versus advance ratio in forward flight with constant thrust coefficient at trim condition.
等拉力系数配平前飞时，旋翼各操纵角～前进比曲线和前飞需用功率～前进比曲线与德国宇航院（DLR）的试验结果比较一致。 - Under the situation of having no precision requirements about ( advance-) to return-time ratio, slider stroke and offset distance etc., a useful method was provided in order to improve the effective force transmission performance of slider-crank mechanism.
在行程速比系数、滑块行程和偏距等没有精确要求的情况下，为提高曲柄滑块机构有效的力传动性能，提供了一种实用的方法。 - Recent advance of the application of ratio-spectra derivative spectrophotometry
比光谱-导数吸光光度法及其应用与进展 - On Power Characteristics and Advance Ratio of Propeller
航行工况推进特性与进程比探讨 - The one step linear modulation was realized by the use of calculation amplifier of precedent phase on three steps with two differential circuit, which can bate the disturbance effectively and advance the signal to noise ratio.
对强干扰下的声波信号采用两级差动放大，采用相位超前型三运放二阶电路，实现一级增益线性调节。 - This paper investigates a semi-online scheduling on three identical machines. We assume that the largest processing time of all jobs is known in advance. We present an algorithm with competitive ratio ( 1+(?)
本文研究三台平行同型机的一个半在线排序算法，我们假设工件的最大加工时间预先知道，我们将给出一个竞争比为（1+（？） - It mostly introduce advance check out and ratio at large batch, small apertures, soft material and with espe-cial tools and process, accordingly get twice the result with half the effort.
主要介绍在批量大、孔径小、材质较软的情况下，如何采用特殊的工具及工艺来提高产品的合格率和效率，从而达到事半功倍的效果。 - The results show that the multi-time ignition can improve ignition reliability, especially when ignition timing is too advance or too late, or air fuel ratio is far from the best ratio of ignition.
试验结果表明：多次点火有助于提高点火可靠性，特别在点火提前角过大或过小、空燃比偏离最佳点火比例时。 - In the case of heavy load when the advance ratio of propeller is small, the contraction of wake has large effect on the performance of the propeller.
在小进距比的重载情况，螺旋桨尾涡的收缩对螺旋桨的性能影响较大。 - Evaluation and Advance in Improving Carcass Lean Ratio of Pigs with Nutriology Method
应用营养学方法提高猪胴体瘦肉率的进展与评价 - The result show that the plastic film have salient warming effect, it can let spring wheat growing period advance and yield increase, and it can advance the use ratio of soil effective water.
结果表明：地膜覆盖具有显著的增温效应，可使春小麦生育期提前，产量提高，并可提高土壤有效水分的利用率。 - We will do our best to advance the ratio of basic tourism consumption and to rationalize the tourism consumption structure by gradually developing the entertainment and promoting the quality of tourism commodities of Nanjing City.
希望通过南京休闲娱乐业的逐渐发展完善和商品档次的提高，以促进基本旅游消费比重的增加，使旅游消费结构日趋合理。 - While the fifth energy is those saved by the proper measures to reduce energy loss and cost and advance the energy using ratio.
第五能源既采取一定的节能措施，降低能源的损失和浪费，提高能源的利用率而节省下来的能源。 - Because of the adding of engine operating parameters such as engine speed, spark advance, equivalence ratio, intake air pressure, intake air temperature to the model, effects of these parameters on cyclic variation can be estimated quantitatively.
由于把发动机运行参数，如转速、点火角、计量比、进气压力和进气温度等加入该模型，可定量地估计这些参数对发动机循环变动的影响。 - A Recent Advance in Improving Signal to Noise Ratio
信噪比改进技术的新发展 - It is shown that with adjusted ignition angle of advance, larger compression ratio and appropriate preheating of the mixture, better fuel economy can be achieved.
指出调整点火提前角、提高压缩比以及适当预热混合气等，可以提高掺烧甲醇时燃油的经济性。 - Firstly, the CNG engine torque control theory is introduced, and the relationship between the engine output torque and the three control parameters: the spark advance angle, the air-fuel ratio and the throttle opening, is derivated.
首先，研究天然气发动机转矩控制理论，推导点火提前角、空燃比和节气门开度三个控制参数与转矩之间的关系。