查询词典 variable

Using the adjoint operator of PW, nine sites'PWs are successfully assimilated into the initial condition and altered the initial temperature, water vapor and wind field. The change varies with variable fields and pressure levels.

本文利用开发的用于同化可降水量和天顶延迟的模式，成功地将9个站点的大气可降水量的分布及变化信息同化到初始场中，从而使初始场在湿度场、温度场和风场方面较同化前得到改变，这种改变在不同变量场、各个层次上变化的大小和形势是不相同的。

In the second chapter, the problem of the optimal inputting rate control for a class of competitive population dynamics system with age-structure is discussed. By means of characteristic line, Gronwall Lemma, Bellman Lemma, adjoint system and so on, the Lipschitz continuity properties of the system in terms of the control variable is certificated, and the necessary condition of the optimal control is obtained.

第二章讨论了一类具有年龄结构的竞争种群系统最优输入率控制问题，综合应用特征线法，Gronwall引理，Bellman引理，共轭系统等知识，证明了系统解关于控制变量的Lipschitz连续性，给出了控制为最优的必要条件。

The adjoint variable method for design sensitivity analysis of multibody system dynamics based on ordinary differential equations is presented.

基于常微分方程数学模型建立了多体系统动力学设计灵敏度分析的伴随变量方法。

At the same time, we prove that the best linear unbiased prediction of a linear predictable variable Qy and the best linear unbiased prediction βn=(X"sV-1Xs)-1 X"sVs-1ys of regression coefficients of the finite populations βn=(X"V-1X)-1X"V-1y are admissible under matrix loss function and in the class of the linear predictions and the class that contains all predictions, and under quadratic loss function in the class of the linear predictions.

在线性预测类和一切预测类中是可容许预测，而在二次损失函数下其在线性预测类中是可容许预测。

In the research on the influence of group genre, family, school, community, internet and accompanier were selected as variable and relative affectionateness level was chosen as research tool. Multianalysis was adopted to present the basic trait of junior middle school students\' intercourse and its impact on social cognition. There are founds as follows.

在群体类型影响力研究中，选取家庭、学校、社区、网络和同伴作为群体类型的基本变量，并以家庭亲情水平等问卷为研究工具，运用多元回归分析法呈现当前初中生群体交往的基本特征及其对社会认知的影响。

Shipping income is analyzed according to various affreightment businesses. Shipping cost includes of capital cost, dealing cost and voyage variable cost.

船舶收入是按不同租船方式分析收入来源，船舶成本则细分为资本成本、营运成本和航次变动成本来分析。

Software Description: About Agate MathGraph, This is a program for research of functions of one variable.

Agate MathGraph 这是一款为了研究类似于y = f这样的函数而开发的软件。

Objective: To explore the expression of Survivin in non-Hodgkin′s lymphoma cells with variable aggressiveness and its clinical significance.

目的：探讨Survivin抗原在非霍奇金淋巴瘤中的表达及临床意义。

This study use EKB model as a conceptual framework and the AIO lifestyle variable is used to be the foundation of the marketing segment, DSC product attributes and demographic factors are used as independent variables. Consumption reality variables describe the behavior of consumers.

本研究以EKB模式作为本研究之架构，AIO生活型态变数作为市场区隔的基础，DSC产品属性与人口统计变数作为投入变数，透过消费实态变数作为消费行为之描述，将DSC市场区隔化。

The objective of this research is to discuss green food consumers" consuming behavior via consumers" demographic variables , purchase affecting factors, AIO VALS variables and post-purchase and to find out the related factors and VALS variables and demographic variables that affect consumers to choose and buy green food, thus establish main variable measuring indexes and compare the differentiation and influential effect of these indexes themselves and post-purchase, all of which are according as making marketing-mix decision and establishing branding image for green food companies.

本文的研究目的是经由消费者人口统计变量、购买影响因素、AIO生活方式变量和购后评价情况的调查统计分析，来探讨绿色食品的消费者行为，找出影响消费者选择购买绿色食品的主要相关因素和生活方式变量因子以及人口统计变量，建立主要评价变量指标并比较其自身和购后行为的差异性及影响效果，最后为绿色食品企业制定营销组合策略和品牌形象的树立提供参考依据。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。