1)  deviating arguments
变差元
1.
Sufficient conditions are derived for the existence of at least one strictly positive periodic solution of periodic two-species Lotka-Volterra competition dynamics systems with neutral delay and several deviating arguments.
利用k-集压缩算子抽象连续理论和某些分析技术,导出了此具有中立时滞和变差元的周期两种群Lotka-Volterra竞争动力系统至少存在一个严格正的周期解的充分条件。
2)  variation
变差
1.
The Equivalent Properties About Vector Measures of Various Bounded Variation with Valued in Locally Convex Spaces;
局部凸空间上矢值测度某些有界变差的等价性
2.
This paper focuses on the measurement systems、 variation and R&R which is a way to analyze and appraise quality control in automobile industry in developed countries through a thorough study in the measurement error, and through the measurement system analysis to the equilibrator made in German.
文章通过对测量误差的研究及在德国产静平衡机上进行测量系统分析,专题阐述了测量系统、变差及在发达国家汽车业质量控制中采用的测量系统分析评定方法――R﹠R法,以供大家参考。
3.
A discussion is made of the continuously sufficient and necessary conditions of the bounded variation f(x)on the closed interval in the paper.
讨论了有界变差数 f(x)在闭区间上连续的充要条件以及函数 f(x)在闭区间上有有界变差的充要条件。
3)  variation function
变差函数
1.
Recent years,variation function is becoming more important when we research reservoir heterogeneity.
近年来,变差函数在储层非均质性研究中起到很大作用。
2.
All kinds of data can be integrated by variation function.
通过使用变差函数,将地质、露头、三维地震、测井等静态和生产动态等各种信息有机地综合在一起,提高了井间砂体预测的精度,对于预测相似条件下稀井网地区的储集层分布也有理论指导意义。
3.
To improve the quality of the restored images,a variation function as part of regularization penalty term was introduced to the reconstruction algorithm of EIT.
为提高电阻抗静态重构图像的质量,研究将离散变差函数引入到重构算法中,形成混合正则化重构算法,并对计及颅骨的颅内异物进行了重构成像。
4)  Variogram function
变差函数
1.
Multiscale edge detection based on image variogram function;
基于图像变差函数的多尺度边缘检测
2.
New multiscale edge detection method for noise image based on variogram function;
基于变差函数的噪声图像的多尺度边缘检测
3.
This paper proposes a novel algorithm for segmentation of texture image based on variogram function.
本文基于变差函数提出一种图像纹理分割的新方法 。
5)  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。
6)  drillibility
变差法
参考词条
补充资料:Tonelli平面变差


Tonelli平面变差
Toneffi plane variation:

T加℃山平面变差吓b份组内理柑血“阅;To批朋”。。-cK翻朋pHau抓」 二元函数的一种数字特征,它可以用来定义依Tonelli意义的有界变差函数类.设f是矩形D=【a,blx【。,d]上给定的函数,又设函数 V少(x)三‘票沙f(x,y)和 V;(y)三。奥。f(x,y)为玩besgUe可测(前者在区间【a,b]上,后者在Ic,d」上).如果 bd :(f,。)三J。少(x)己x+丁:;(,)d,<二,则称函数.厂在矩形D上有有界(有限)的Tonelll平面变差(Tollelli plane硫lriation),并记这类函数为T(D).这定义由L.ToneUI(见【1],【2])引人.但是对连续函数,类T(D)的另外一种刻画(通过Ba-I.ch指标(Banach indl。山ix))可在5 .Banach更早的文献【4]中找到.如果函数f在矩形D上连续,那么曲面:二f(x,夕)有有限面积的充分必要条件是f属于T(D)(见T伪能l五定理(Tone山thco~)).
说明:补充资料仅用于学习参考,请勿用于其它任何用途。