1) Aberration coefficient
象差系数
1.
The concrete analytical expressions of axial third order chromatic dispersion aberration coefficients of circular electric field are automatically derived by computer.
给出了环形电场轴向三阶色散象差系数的具体解析表达式,可直接应用于工程设计和计算,该结果是用自制的软件包计算机自动推出的,所有软件包是用人工智能语言ArityProlog编制,并介绍了该软件包的特色和实用范
2) CV(coefficiep of vairiation)
差差系数
3) phenomenological coefficient
唯象系数
1.
On this basis, a phenomenological coefficient is proposed to evaluate the intensity of phase-transition heat exchange process.
基于非平衡热力学理论 ,导出了汽液相变过程化学势的变化及汽泡临界半径的计算式 ;在此基础上 ,提出用唯象系数表征相变换热过程的强度 ,给出了相变换热过程的唯象系数的计算式并进行了数值计算 ;讨论了相变过程的推动力和汽泡半径等参数对相变过程唯象系数的影
2.
The relation reduces difficulties and workload in experiment analysis so as to offer possibility to definite the phenomenological coefficient.
昂萨格倒易关系大大减小了实验分析的困难和工作量,为从实验角度来确定唯象系数提供了可能。
4) gradation coefficient
级差系数
5) Deviation factor
偏差系数
1.
With a drop in formation pressure, the parameters which closely related to the flow coefficient of the exponential deliverability equation are varied, such as gas deviation factor, gas viscosity, reservoir permeability, effective thickness and so on.
随着地层压力的下降,与指数式产能方程流动系数密切相关的参数,如天然气偏差系数、天然气粘度、气层渗透率、有效厚度等都是变化的。
2.
On the basis of analysis of the raw materials,using the fineness modulus of aggregate mixture,the deviation factor of synthetic gradation and objective gradation as technical indexes,the best aggregate ratio is attained through the application of computer operations.
在骨料原材料分析的基础上,以合成级配与目标级配的偏差系数、骨料混合料的细度模数作为技术指标,通过计算机应用程序的运算,获得定量化的骨料最佳级配。
6) variation coefficient
变差系数
1.
The optimum design example shows that the variation coefficient of load torque acting on cutting head is decreased 13.
优化设计实例表明,截割头的负载转矩变差系数减小了13。
2.
The Analysis shows that the bigger the variation coefficient of dependent variable,the bigger the mean square error of regression equation when the multiple correlation coefficient(or correlation coefficient) is definite.
分析表明,复相关系数(或相关系数)一定时,倚变量的变差系数越大,回归方程的均方误差就越大;回归分析时,应对回归方程的误差进行分析。
3.
Mathematical expectation,variation coefficient and probability density function were analyzed or simulated to investigate the variation trend and characteristics of daily precipitation in the area.
利用重庆地区4个气象台站(沙坪坝、开县、万州、酉阳)1961~2000年的40 a观测资料,通过计算、拟合日降水的数学期望、变差系数及分布函数,对重庆地区日降水变化趋势及变化特征进行分析,从而进一步了解重庆气候变化情况。
补充资料:变差系数
变差系数:当两个方案的期望效益不同时,直接用标准差就不好比较了,此时就要用变差系数来测定它们的相对风险。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条