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- riable variate 可变异的
- Main components analysis method could eliminate the colinear among all the variate and reduce variate quantity. 该方法可消除各变量之间的共线性,减少变量的个数,结果直观;
- The relationships among the needs and preferences were examined through canonical variate analysis. 需求和偏好之间的关系由规范变量分析来检测。
- Results: Alter variate transformation by clustering, the data was more similar to normal distribution. 结果:指标变量经聚类变换后,资料总体更接近于正态分布。
- Distribution and transfusion of the geostatic pressure variate in company with mining space in underground mining. 地下开采中地压分布与转移随开采空间变动而变动,不同的开采顺序会带来不同的围岩稳定性。
- The improved algorithm adopts adaptive crossover and mutation variate according to the adaptive function value. 改善的算法采用自适应的交叉和变异算子,让交叉和变异概率随适应函数值的变化而变化。
- In this peper,the side clearance of gears is classified into two parts: stochastic variate and stochastic phasing side clearance. 将齿轮副侧隙划分为随机变量侧隙和随机相位侧隙两部分。
- The NIRS data were pretreated by the standard normal variate(SNV),and the calibration model was developed using partial least square(PLS). 光谱通过标准正态变量转换法的处理后经过偏最小二乘法建立模型,并且以定标集预测误差、验证集预测误差及其相关系数作为评判模型好坏。
- The shape and perigee of artificial satellite orbits shall continually variate due to caused by the atmospherical drag and the earth gravity. 人造地球卫星的轨道由于大气阻力和地球引力场等因素的摄动,其形状和近地点位置将不断改变。
- It also testifies the intermediate variate in the system is servo valve loading pressure; compensator is a first derivative element. 可以证明本系统的这种观测量是伺服阀的负载压力,而所谓补偿器是一个一阶微分环节,因而容易实现。
- You can variate the transparency level and easily position a watermark - absolute and relative positioning are supported. 可以改变透明度和很轻易的将水印摆在适当的位置。
- The time variate everything . 时间改变了一起。
- For the regression estimation when the auxiliary variate is correlated with the disturbance, the bias and mean square error (MSE) of the regression estimator are obtained, and the estimator of the MSE is presented. 摘要讨论了辅助变量与扰动项相关条件下的回归估计,给出了在这种条件下回归估计量的偏差和均方误差以及均方误差的估计。
- A Scalar wave equation with an aix direction variate z is used to describe a single-mode taper fiber, and the scalar wave equation is changed to one-order differential equations group by a Simple transform. 本文采用含有轴向坐标参变量的标量波动方程来描写锥体光纤,通过一种简单的变换,将标量波动方程化为一阶微分方程组。
- Since its hosts include almost all vertebrate species, and the genotype and phenotype variate greatly, problems of the host specificity and zoonotic transmission have not been solved thoroughly. 由于该虫宿主包括几乎所有脊椎动物,虫种的基因型和表现型变异较大,因而其宿主特异性及人畜共患传播问题尚未完全解决。
- Using the collected data of 1984-1998 in Inner Mongolia, multi variate linear regression analysis is conducted to forecast the prevalence of epizootic plague in Spermophilus dauricus . 目的:探讨黄鼠鼠疫流行的预测方法。方法:采用逐步回归分析方法,分别建立当年和次年的预报模型。
- According to Dawin's evolution theory, the species in the ecosystem should be diversified.As the time goes, they will hybridize, variate and elimilate.The system will evolve to a higher level. 根据达尔文进化论,在这个生态系统里物种要多样,然后随着时间的推移杂交,变异,淘汰往更高层演化。
- The ripping factor depending on bedding slope angle can determine singlevalued relation between the state variate and load, and also benefits to the stability of rock mass slope with sheet crack. 而由坡角确定的剖分因子始终控制着系统状态变量与载荷的对应关系,并有利于边坡岩体结构的稳定。
- The inflow rates of many mines in the karst region of our country not only variate with the changes of mine depth,gallery length and other factors but also have close relationship with precipitation. 我国岩溶地区许多矿床的涌水量不仅随开拓深度(以下简称深度)与巷道长度(以下简称巷长)等因素的变化而变化,而且与降雨关系密切,并对降雨有明显滞后反映。
- Using grey growing theory and differential dynamic simulation, We set up the dynamic equation of water injection developing oilfield from the time series of historic control variate and state variate. 本文利用灰色生成理论、微分动态模拟,通过油田历史的状态变量及控制变量时间序列建立了注水开发油田的动态方程,在此基础上提出了最优控制模型。