理论模型

By using system vicissitude theory we can construct the general vicissitude theory model of our country accounting system.

运用制度变迁理论，可以构建我国会计制度变迁的一般理论模型。

Firstly, this thesis analyzes the economic circumstances of enterprise and put forward the question of financial risk warning management. Secondly, it gives the research value and significance and the research actuality at home and abroad. Thirdly, author define the enterprise financial kind in this thesis by means of introduce the meaning and Victorianism of enterprises financial risk and systematically analyze all financial risks.

首先从企业所处经济环境出发，提出财务风险预警管理问题，阐述了其研究价值和意义，并对国内外相关的理论研究进行了简要综述；其次通过介绍企业财务风险含义、特征等相关内容，界定了对企业财务风险的分类，分析了各类财务风险；第三，阐述企业财务预警系统的理论模型，包括构建原则、工作内容及流程、方法体系。

During example analysis process, theoretical assembly model of microminiaturized circular shaft and sleeve is established, and stress-strain relationship with different parameters is deduced by virtual displacement principle; two finite element assembly models of D shaped shaft and gear, circular shaft and sleeve are established.

在实例分析过程中，建立了微小型圆轴和套装配的理论模型，通过虚位移原理得出装配过程中不同参数值下的应力应变关系；建立了圆轴与套装配、D型轴与齿轮装配的有限元模型，验证了数字化微装配中虚拟检测技术的正确性、必要性和重要性。

The introduction of whitecap-covered percentage and its relations with effective dielectric constant and depth of whitecap make physical model press close to realism.

在这个物理模型下，白冠层的有效介电常数可通过白冠覆盖率及其厚度与风速联系起来，使理论模型更贴近于现实。

Of discharge capacity at the first cycle after 20 cycles. At the same condition, the uncoated MCMBs just keep 74. 6% of the first discharge capacity. Cu coating have the same effect as the Ag coating about sensitive to humidity, but the coated Cu is easily oxided on air. Cu-Ag alloy is provided with normal temperature antioxygenic property in air.

从动力学角度出发，提出电极放电行为的理论模型，根据材料的基本性能来计算锂嵌入和脱出的反应过程，根据该模型对材料的放电曲线、锂在材料中的扩散系数和交换电流密度进行模拟和计算，并且得到了和实验结果的一致性。

Cu coating have the same effect as the Ag coating about sensitive to humidity, but the coated Cu is easily oxided on air. Cu-Ag alloy is provided with normal temperature antioxygenic property in air. The coated MCMBs still have excellent electrochemical performance after being held at high humidity.

从动力学角度出发，提出电极放电行为的理论模型，根据材料的基中南大学博士学位论文摘要本性能来计算铿嵌入和脱出的反应过程，根据该模型对材料的放电曲线、铿在材料中的扩散系数和交换电流密度进行模拟和计算，并且得到了和实验结果的一致性。

The system includes model, index system, appraisable method and appraisable procedure.2. Applying the system of multi-effect appraisement of DWSA, the paper appraised the recent decade multi-effect of DWSA in Shouyang county, Shanxi province. Appraisement result showed that the multi-effect of DWSA in Shouyang presents the climbing trend. The economic and social effects of DWSA show the obvious climbing trend.

论文主要成果包括：(1)初步构建了旱作节水农业综合效益的评估理论与方法论文根据旱作节水农业的特点，界定了旱作节水农业的经济效益、社会效益、生态效益及其综合效益，在此基础上，构建了北方旱区旱作节水农业综合效益评价体系，包括：评价的理论模型，指标体系、评价方法和评价程序。

The Bioecological Model of Human Development contains four defining properties: Process, Person, Context and Time. Process constitutes the core of the model.

该理论模型具有四个定义性特征：过程、个人、情境和时间，其中过程构成了模型的核心。

We have researched the output characteristic of the SFRL in the condition of frequency detune, established its theoretical model, and demonstrated it with the experimental results (4) The application of the SFRL used in all-optical clock recovery is researched.

研究了当频率失谐时环腔的输出特性，建立了频率失谐时环腔的理论模型，并通过实验验证了该失谐理论。

Through the analysis of turning stability inHengduan mountainous expressway,this dissertation studies on the testing method ofHengduan mountainous expressway with turning stability using 9-DOF vehicle dynamicmodel and Gim theoretic model of pneumatic tyres.

通过横断山区高速公路车辆弯道行车稳定状态分析，以9自由度车辆动力学模型和Gim轮胎理论模型为计算核心，对横断山区高速公路弯道行车稳定性检测评价方法进行了研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。