基本变量

Based on these phenomena,mathematical models of four effect parameters were built. According to the variables separation method,the method of weighted function was brought forward and used in decomposing the multidimensional function.

在建立效应参量模型时，参照分离变量法，提出使用加权函数的方法把多维函数分解成多个1维函数相乘，基本解决了利用有限实验数据建立数学模型的问题。

In this paper, an electrical coordination device, first developed in China, is introduced.Two types of bivariant function generators are explained in detail

本文介绍了电气协联的构成、基本工作原理和特点；介绍了构成电气协联各环节的工作原理和参数选择方法；比较详细地介绍了两种双变量函数发生器的构成原理和实用电路；列举了有关的试验数据和曲线。

Basic concepts about data objects in VHDL are given first;then the paper focuses on the method to demonstrate the difference between two confusable VHDL objects,signal and variable,by some examples prepared for students in teaching;after that,some problems in circuit designing using VHDL are pointed.

文中首先论述了VHDL语言的数据对象的一些基本概念；重点阐述了在教学中如何通过实例使学生能够分清VHDL语言的信号与变量这两个极易混淆数据对象的使用区别；同时，指出了在应用其进行设计过程中应注意的一些问题。

The basic characteristics of peasant household and the production of bamboo and its related products was descript by statistics.

文章利用问卷数据首先对相关变量作了统计描述分析，即分别对农户的基本特征和农户竹产品的生产情况作了统计描述分析。

So the research of the independency on binary random variable is an important task in probability theory,In this paper,the plenitudinous-indispensable condition distinguishingly the independency on binary random varable is given.

随机变量的独立性是概率论中最基本的概念之一，通过对它的研究可使许多实际问题的具体计算得到简化。

The first part is the introduction, which generally introduces the research purpose and significance of this thesis, the summary of the financial pre-warning researches both home and abroad, and the research main contexts and research methods; The second part is the comparison on the financial pre-warning methods existent, which compares the different methods by categories, makes a further analysis on the limits of existent methods, and proposes the improve thoughts of this research based on that; The third part is the basic theory, which makes a summary of the referent theories exerted on the research, and exposit the comparing mechanism of the grey prediction theory and the artificial neural network method concise; The fourth part is the frame work of the model, which illuminates the research designs step by step, such as the definition of the financial crisis, the method of sample select, the select and definition of the pre-warning variables, and makes an exposition of the establishment procedures of the whole models at last; The fifth part is the financial pre-warning based on the theory of grey prediction and artificial neural network, which mainly demonstrate the model establishment in the concrete, dividing into four part to carry out the part of pragmatic research integrally, building of indexes system, establishment of BP neural networks, dynamic financial pre-warning and test, analysis on the pre-warning result; The sixth part is conclusion, which sums up the main results of the whole research, clarifies the innovative points, and makes a discussion on the limits and future study directions of the research in this thesis.

其中，第一部分为导论，总括性概述本文的研究目的与意义，国内外研究综述，以及本文的研究内容和方法；第二部分为现有财务预警研究方法剖析，通过对现有预警方法进行分类比较，进一步分析现有预警方法的局限性，并在此基础上提出本文研究的改进思路；第三部分基本理论，对本文研究中运用的相关理论进行扼要概述，并简要阐述灰色预测理论与人工神经方法的融合机理；第四部分为模型研究框架，逐步阐释模型对财务困境的界定，样本数据的选取方法，预警变量的选取与定义等各个部分的研究设计，并对整体模型的构建步骤进行简要阐述；第五部分为基于灰色神经网络模型的财务预警，主要论述动态预警模型的具体实现过程，分模型指标体系的建立，BP神经网络的建立，动态财务预警与检验，以及预警结果分析四个部分全面阐述本文实证分析过程；第六部分为结论，总结本文研究得到的主要研究结论，以及本文研究中的创新之处，并对论文的不足与后续发展研究进行探讨。

Don.methodswith the stem of sterile seedling and fresh plants as exophyte, ms as a basic medium, 6-ba and naa hormone were adopted as the experimental variables.resultsms +1.0 mg / l 6-ba +1.0 mg / l naa induced the best effect of callus; higher concentrations of 6-ba with high concentrations of naa made callus densification and higher rate.conclusion different plant hormones and their different concentration ratios have different effects on the callus of halenia elliptica d.

方法以椭圆叶花锚种子培养的无菌苗的茎和新鲜植株的茎段为外殖体，ms为基本培养基，分别以6-ba和naa两种植物激素为变量进行实验研究。结果ms培养基+1.0 mg/l 6-ba+1.0 mg/l naa对诱导椭圆叶花锚愈伤组织的形成效果最佳；高浓度的6-ba配合较高浓度的naa诱导的愈伤组织致密，出愈率高。

Along with the researches of the twoproblems herebefore,the paper connected internally the institutional orsystematic factor and transformation of the economic growth mode,onthe basis of which,a fundamental proposition was put forward thatinstitutional or systematic factor had become in fact the main decisivefactor and the important explanatory variable of China's transformationof the economic growth.

循着这两个问题所作的研究，将制度或体制因素与经济增长方式及其转变与否内在地联结了起来，并在此基础上，提出了制度或体制因素事实上已经成为中国经济增长方式能否转变的主要决定因素和重要解释变量的基本命题。

The mechanism gives the explanation of basic principle of access like the intraneous factors determine the allocation of key resources of access. Besides, it combines the previous research results in the relevant areas.

这一框架是第三章模型的进一步结构化的结果，它不仅表明进入权配置的基本原则，如依据内生变量确定关键资源的进入权配置，而且，它综合了以往公司治理的研究成果。

A plasma electron density profile in the HT-6M tokamak is obtained when an asymmetric Abel-inversion which depends on plasma shifts is applied to the signals of multichord interferometric measurement.

一种常用的非对称Abel变换是分离变量法，它的基本思想是把测量信号分成对称元和非对称的权函数，对称部分采用标准的Abel变换，变换的结果乘上非对称的权函数。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。