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The characteristics of postures, crown form, branch appearance and the leaf shape of Syringa oblata were analyzed by practical measurement of individual plant Mathematic method and model were adopted to analyze the sample data and deeply explore the vegetation quantity of Syringa oblata in Harbin. A quantitative method was put forward for vegetation quantity of Syringa oblata distributed in Harbin and the information management system of vegetation quantity of Syringa oblata for Harbin has been established.

本项研究选取了哈尔滨市园林绿化上数量最多、应用最广的木犀科丁香属植物中的紫丁香为研究对象，立足于哈尔滨市的环境特点，采用逐株实测的方法，具体分析紫丁香姿态、冠形、枝形、叶形的特点，采用数学方法和模型研究对紫丁香样本数据进行分析，并深入研究紫丁香"绿量"的内涵，探索出了哈尔滨市紫丁香"绿量"的量化方法，建立了哈尔滨市紫丁香绿量信息管理系统。

An infiltrating-carbon furnace is a nonlinear system, changing with time and distributed parameters; it is difficult to express its characteristic using precise mathematic model.

渗碳炉是一个非线性、时变和分布参数的系统，用精确的数学模型表示其特性显然是十分困难的。

Carburizer is a nonlinear system with time variation and distributed parameters and it is difficult to describe its characteristics by precise mathematic model.

文章摘要：渗碳炉是一个非线性、时变和分布参数的系统，用精确的数学模型表示其特性较为困难，将带有自整定功能的模糊控制算法引入传统的渗碳炉温度控制系统。

Mathematic model of the refrigeration system is presented with applying the distributed parameters method. In the models of condenser and evaporator, the flow patterns and its effects on the heat transfer coefficients of refrigerant side are considered.

采用分布参数的方法建立了制冷系统的数学模型，在建立冷凝器和蒸发器两相区模型时采用了分相流模型，并考虑了流型变化对制冷剂流动换热过程的影响。

The mathematic model of optical-electronic theodolite control target is set up.The control strategy of optical-electronic theodolite is discussed.

在深入分析光电经纬仪动力学特性的基础上，讨论了光电经纬仪的控制策略。

In this system, the mathematic model of infrared thermometry calculation is established, and appropriate formulas for error analysis and calculation are obtained.

本文结合红外测温技术和非致冷焦平面热成像技术原理，开发并完成了一套非致冷红外焦平面热成像测温系统。

Automatic threshold choice is difficult and important to color images edge detection, First of all, on the base of human visual properties, threshold versus intensity function of human visual system are researched and analyzed, by using method of mathematic modeling and the result of saturation research, function of least color difference that can be perceptible by visual systems in detecting edge is given.

摘要自动阀值选取是彩色图像边缘检测的难点和关键问题，首先从人类的视觉特性出发，分析了人类视觉系统的亮度感知门限函数，利用数学建模方法和色度学方面的研究成果，给出人类视觉系统对彩色图像边缘所能识别的最小彩色差函数。

School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China）Abstract: Mathematic model of the tiny terrain covered cobalt-rich crust and the cutting process of mining head's cutting tooth were established by considering the force of sea water, and simulation software was developed by GUI tool of Matlab software to study the distributive properties of maximum load of the cutting tooth.

摘 要：考虑海水力的作用，建立深海钴结壳微地形的数学模型和采矿头截齿切削过程的数学模型，应用Matlab软件GUI工具编制相应的仿真程序，并通过实验验证仿真模型的正确性和仿真软件的工程有效性。

In this paper, through the study of hydraulic torque converter, its basic principle and regulation character were understood to obtain the mathematic mode.

本文首先通过对液力偶合器的研究，了解了它的基本理论及调节特性，得到其数学模型。

In this study, we select 4 factors: depth ahead water-front, stability of water-front, extensity rear water-front on land, water-front's traffic settings and cities supporting, upon which the indices system for evaluating the exploration conditions of water-front resources is built. And then, in term of this system and by employing GIS and mathematic methods, the waterfront from Jiujiang to Xinji Towhead section along the Yangtze River is evaluated.

选择九江－新济洲段长江干流为研究区域，该文在进一步扩展长江岸线资源研究的区域范围的同时，通过建立包括岸前水深、岸线稳定性、岸线陆域宽度、岸线集疏运条件和岸线城市依托条件为主要评价因子的指标体系，运用GIS手段和定量方法，探索了长江岸线资源的开发条件评价。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。