The experiment results, showed that the magnitude of threshold is a key factor to the form of urban rank and function. The functions of advanced city contain all the functions of lower level city.

Improving the Innovative Ability in the Teaching of Real Function and Functional Analysis

在《实变函数和泛函分析》教学中培养学生的创新能力

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Primary Study on the Reform of Teaching Method of the Course Real Function

《实变函数》课程教学方法的改革初探

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Some properties of real function discontinuity point

实函数间断点的某些特性

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The Structure of the set of Continuous Points Of Real Function

实函数连续点集的结构

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According to internal and external ring displacement curve function relation of piezoelectric ceramic actuator, precise model is proposed;

接着根据压电陶瓷内外环位移曲线的函数关系，提出本课题设计的压电驱动器模型算法，在精度和模型可实现方面进行了改善；

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The Polycrystalline diamond ( PCD) has been applied widely in industrial fields as a new cutting tool material of high hardness and good wear-resistance. This thesis designed a type of PCD groove cutter by means of piston ring groove function.

随着聚晶金刚石（PCD）刀具材料在切削铝合金上的广泛应用，本文根据活塞环槽的性能要求及铝合金的切削特点，确定了PCD槽刀几何角度，设计了PCD环槽成型刀具。

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The definitions, the function forms, the calculation methods and the significance on theoretical researches of the three distribution functions were discussed in this paper. They are radii distribution function, ring distribution function and plane distribution function of the wave function.

讨论了波函数的径向分布函数、环分布函数和平面分布函数的定义、函数形式和推导方法以及理论研究上的意义。

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Hunan Power networks will be developed rapidly in the Eleventh Five-Year Plan Period. The problem of 500/ 220 kV electromagnetic ring network function becomes more and more serious.

“十一五”期间湖南电网发展迅速，500/220kV电磁环网运行问题日益突出。

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Radii Distribution Function, Ring Distribution Function and Plane Distribution of the Ware Function

波函数的径向分布函数、环分布函数和平面分布函数

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By this, raise some practical and effective measures to bring sealing ring function and effect into full play in many ways, such as improving superficial processing quality, choosing proper velocity in motion and sealing gap, improving O sealing ring quality and so on.

在此基础上，又从提高表面加工质量、选择适当的运动速度、密封间隙、改善O形密封圈自身质量等多个角度提出了充分发挥密封圈功能的几条切实可行的措施。

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How to fully use the o sealing ring function effect

O形密封圈功能的充分发挥

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Except for the function of being predicate and the center of predicate group, "Qu" can also be a complement expressing grammatical meaning of direction and result in VC structure and become a semi-function word.

去在中古汉语中除继承上古汉语作谓语或谓语中心的功能以外，还可以在动补式中充当补语，表趋向、结果等语法意义，成为一个半虚化的动词。

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An experimental study of Immediate and Postponed Intra-mandibular Implants in the Semi-function State

半负荷状态下即刻和延期植入种植体的实验研究

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Symbol of operator is the function of operator acting on sine function.

算子作用于正弦波函数所得函数称为算子的象征。

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Preparation of Semi-solid Aluminum Alloy by Sine Function Method

Sin函数冷却法制备半固态铝合金

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Coefficient formulae derived belong to forms of the sine function.

所推导的系数公式都属正弦函数形式。

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The results found that the entanglement is a sine function over time.

结果发现，其纠缠度是一个随时间呈正弦变化的周期函数。

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Research on wavelet chaotic neural network with disturbance of sine function

带正弦函数扰动的小波混沌神经网络研究

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Then, the paper analyzes the spread of the sine function and development in China.

而后，本文整理了正弦函数在中国的传播与发展。

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The color texture modeling which uses sine function was built.

利用正弦函数的变化规律对植物表面颜色纹理进行模拟。

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