查询词典 mathematic

Using some simple mathematic formulae and cladograms, present author put forward a conception for the resolution of the evolutionary temporal order of DNA sequence data in phylogenetic analysis, and point out a possible rational resolving range.

通过简单的数学公式和分支图形，作者提出系统发育分析中DNA序列数据演化时序的分辨率概念，并指出可能合理的分辨率范围。

Being lack of color matching system for pre-colored wool top blends, it is urgently needed to develop a computer-aided system to help colorists find a good recipe to reproduce a target color. An optimized mathematic model that can be used in computer color matching for wool top blends is set up by using the improved Stearns and Noechel.

针对缺少理想的混色模型现状和开发计算机混色配色系统的迫切需要，在对经验Stearns-Noechel模型优化和改善的基础上建立了适用于毛条混色应用需要的计算机配色预测数学模型。

To avoid spread of epidemic among test papers correctors in confined spaces, the Ministry of Education decided to cancel the Mandarin composition, English composition and Mathematic questions that involve theorem proving.

为避免封闭空间人工阅卷造成传染严重急性呼吸道症候群，教育部决定不考国文作文、英文作文和数学证明题 92年大学指定科目考试

By the law of conservation of mass, the principle of effective stress and the Darcys law as well as the equilibrium differential equations, a coupled mathematic model that included the terms of source and sink, and its corresponding direct coupled FEA model, for the analysis of groundwater seepage and stress were developed.

其次根据土体的平衡微分方程、质量守恒定律、有效应力原理以及达西定律建立了考虑源汇项的渗流场与应力场耦合数学模型，并且提出了直接耦合有限元计算方法。

This thesis used fuzzy comprehensive evaluation method together with some other mathematic method such as AHP and DELPH to set up multi-level appraising indexes system of the SMEs operating environments in Sichuan Province.

本文首先在以模糊综合评价法为理论基础，结合专家法、层次分析法等多种定量分析方法，通过筛选确定出一套完整的指标体系，选择适当的指标合成方法和评价标准，建立综合评价数学模型。

The mathematic simulation software compiled by this paper has been used to simulate the basic characteristics of the main parts of the aircraft ac EPGS, include the permanent brushless dc generators , the exciters with rotating rectifiers, the brushless ac generators, the brushless dc generators, the inverters and the automatic voltage regulators .

运用本文建立的数字仿真软件对飞机交流电源系统的主要部件，包括永磁无刷直流发电机、旋转整流励磁系统、无刷交流和直流发电机、逆变器和调压器的基本特性进行了研究。

In this paper a mathematic model and a computer program are compiled, that can be used to calculate the thermodynamic process, heat transfer of cylinder periphery and exhaust duct of cylinder head for direct injection diesel engines.

采用解析法处理气缸周壁传热，特别是应用二维解析法建立活塞顶传热，将气缸周璧传热计算与柴油机气缸内热力过程计算相结合，互为边界条件，因此能模拟计算绝热机工作过程。

In this paper,the mathematic models of hydraulic actuator of once extraction steam turbine gov-erning system,which have different type of synthesis and application of control signals,have beengiven.

该文给出了采用不同方式实现信号综合与控制的一次调节抽汽透平调节系统液压执行元件的数学模型。

Considering the difficult problems in the finishing surface of SBG with ECF, the research, focusing on the finishing mechanism of ECF, has been carried out, and the mathematic model, explaining the electrochemical dissolution of anodic surface micro-profile in the condition of small gap, has been brought forward according to Faradays law.

前者不仅与电化学光整加工的整平机理有关，而且还与电化学光整加工工艺方法的选择有关；后者则主要涉及到工具阴极几何结构确定、极间流场设计以及工具阴极的移动方式等技术问题。

Fuzzy control is an important application filiations of fuzzy mathematics based on the theory fuzzy sets. It's a kind of new control algorithm formed by the combination between fuzzy mathematic and automation.

模糊控制是基于模糊集合理论发展起来的模糊数学的一个重要的应用分支，是模糊数学和自动控制理论相结合产生的新型控制策略。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。