air density
英 [eə(r) ˈdensəti]
美 [er ˈdensəti]
空气密度
双语例句
- The police say the killing of the young man was an accident.
警方说这个年轻人被杀是一个意外。 - Dynamic pressure is a function of velocity and air density, which in turn is dependant upon altitude and temperature.
动态压力是一个功能的速度和空气密度，而这又是取决于海拔高度和温度。 - An empirical equation was obtained for explaining the relationship between streamer stability propagation field and relative air density, humidity.
通过数据拟合得到了流注稳态传播电场和相对空气密度以及湿度之间的经验公式。 - Influence of Air Density and Humidity on the Corona Performance of Conductor
空气密度和湿度对导线电晕特性的影响 - Fear and nervous can affect the ability of blood carry oxygen, and in a high altitude with less air density, it can easily lead to a hypoxia which is a dangerous factor in the flight.
紧张或者焦虑会影响血液携氧的能力，在高空大气稀薄的情况下，是很容易组织缺氧的哦。而这也是飞行中危险因素的一种。 - Maximized Wind Energy Capture Based on Estimation of Wind Speed and Air Density
基于风速和空气密度估计的最大风能捕获 - So, instead of having the periodic variation of water, or the periodic variation of air density here we're talking about an electric field.
不像水或者空气密度的，周期变化，我们这里，讨论的是电场。 - Airports at higher altitudes require a longer airstrip due to lower air density.
在高海拔地区建机场，由于空气稀薄的原因，需要一个较长的跑道。 - It also can raise the dats accuracy to determine the earth air density.
也可提高用于反测地球大气密度的资料的精度。 - The air density distribution of the cross section could be reconstructed by SSART.
应用SSART技术可以重建截面密度分布。 - The same period, the Ocean Thermal slow, relatively high temperature, air density changes smaller solipsism relative area of low pressure.
同一时期，海洋散热较慢，温度相对地较高，空气密度变化较小，遂形成相对的低压区。 - Along with the increase in air density, aero-surfaces gradually intervene the control system, and the RCS drops out of use.
随着空气密度的增加，气动舵面逐步介入控制系统，RCS随之逐步退出。 - The new technique takes into account the effects of air density change and rotational speeds, thereby improving the analogy theory and making it applicable to compressible flow.
新方法考虑到工质密度和转速变化对压气机特性的影响，改进了相似理论并使其可应用于可压缩流体计算中。 - The air density variation is calculated with the complete Navier-Stokes equations.
激光热效应引起的流场密度变化采用完全Navierstokes方程计算。 - The instrument for measuring air density has realized precision measuring of air density by means of temperature sensor, humidity sensor and pressure sensor.
利用精密温度、湿度、压力传感器，便携式空气密度精密测量仪实现了对空气密度的高精度测量。 - The influence of air density on regulating the set angle of stall wind turbine
空气密度对失速型风力机安装角的影响 - Calculation of air density on system of increasing transmission capacity
提高输电线路输送容量系统中空气密度的求取 - According to the atmospheric drag perturbation equation of satellite motion and the method of determination of orbital decay rate, a practical and convenient method for determining air density from satellite orbit decay rate has been presented in this paper.
本文根据人造卫星大气阻力摄动运动方程和卫星轨道衰变率的测定方法，给出一种利用卫星轨道衰变率反测高层大气密度的实用且简便的方法。 - The synthetic analysis for the errors on various elements of electronic scales is presented. The influences on the static errors of the electronic scales from gravity acceleration, air density, mechanical base, transducer performance, bridge power supply and the digital display unit are focused.
介绍电子秤各环节误差合成分析，重点叙述了重力加速度、空气密度、机械基体、传感器性能、供桥电源和数显仪表对电子秤静态误差的影响。 - Based on complex mode theory, 6 kinds of parametric ( i.e.plate width, mass, mass moment of inertia, vertical bending frequency, torsional frequency, air density) elasticity of flat plate flutter derivatives are calculated.
基于复模态理论，计算了平板颤振导数的平板宽度、质量、质量惯矩、竖弯频率、扭转频率和空气密度6种参数弹性； - The orbital variations of balloon satellites 1990-81B and 1990-81C and determination of air density
气球卫星1990&81B和1990－81C的轨道变化和高层大气密度的测定 - An analytical model of air density derived from CIRA 1972 is presented in this paper.
本文导出了与CIRA1972内符合精度较高的一种分析模型。 - It was shown that wet bulb temperature and altitude could do effect on the air density which influence the performance of room air conditioner according with the other equation.
结合相关公式分析了在一定条件下空气密度对空调性能产生重要影响，而湿球温度和海拔高度是影响空气密度的主要原因。 - Puts forward the calculation method of air duct frictional resistance based on the Colebrook formula and a high accuracy empirical formula reflecting the relation between air density and viscosity and air temperature.
提出用高精度的反映密度、黏度和温度关系的经验公式和Colebrook公式计算风管摩擦阻力系数的方法。 - Rapid and Accurate Calculation Method of Wet Air Density
湿空气密度的快速准确测算方法 - It has been proved that the discharge voltage of air-gap and insulator decrease due to the lower air density at high altitude both at domestic and abroad.
国内外已有的研究结果和运行经验均表明：高海拔地区空气相对密度较低，无论是绝缘子还是空气间隙，其放电电压都将降低。 - Variable-pitch system can adjust the angles of blade, and optimize the efforts of wind round to improve the output of wind-power characteristics, and eliminate the changes in air density and surface roughness on the blades.
变桨风力发电机组通过变桨距控制系统可以调整叶片的桨距角，优化风轮出力，改善风机的输出功率特性，并消除因空气密度变化和叶片表面粗糙度对功率输出的影响。 - The nozzle diameter, the swirl ratio, the intake air temperature, the air density, the oxygen concentration and other parameters were changed, respectively, to study there influences on the flame lift-off length.
本文以单参数变化为主要方式分别研究了喷孔直径、涡流比、进气温度、进气密度、氧浓度等参数对于火焰浮起长度及不对称性的影响。 - All the results prove that the air density measurement system and the acoustic volumeter system are efficient and reliable and can provide good support to air buoyancy correction for high precision measurement of mass standards.
实验结果表明，空气密度测量系统和声学法砝码体积测量系统高效、可靠，能够为高准确度质量标准测量中的空气浮力修正提供足够的支持。 - The role of turbocharging is to increase the pressure of intake into the cylinder to increase the air density. Simultaneously, the intercooling technology is necessary to ensure a higher air density.
增压的作用就是通过提高进气压力使进入气缸的空气密度增加，从而增加充气量，同时为了保证增压后的空气有更高的密度，必须采用增压空气的中间冷却技术。