| 1. | Characteristic line element
特征线元素 |
| 2. | Variable line element acquisition technique and its application in coalfield seismic prospecting
煤田地震勘探中的可变线元采集技术及其应用 |
| 3. | In the first segment for antenna design , the antenna unit structures and its parameter are analyzed
第一部分的微带天线阵的设计中，首先是理论分析线元的基本结构及其相应参数的分析。 |
| 4. | The on - line stroke recognition algorithm can recognize the rough strokes and transform them into three basic geometric line - elements , including straight line , arc and b - spline
笔划的在线识别主要是将原始笔划转换为规则的基本几何线元，即直线条，圆弧，和样条曲线。 |
| 5. | Sketch beautification , including line - elements spatial relations analysis and constraints adding , is performed through a kbs ( knowledge based system ) with a blackboard
草图规整通过一个带有黑板结构的知识库系统来实现，它主要包括线元空间关系分析和约束施加两部分。 |
| 6. | The subsection integral is used to get a simple function at first in the numerical calculation , and boundary integral is realized by gauss integral on each panel and line , then the complexity and isstability as a result of the high frequency surge function can be avoided
数值计算中，首先采用分部积分对被积函数进行简化处理，然后采用高斯积分实现面元和线元上的积分，避免了被积函数为高频振荡函数所带来的数值计算的复杂性和不确定性。 |
| 7. | By studying the iges data exchange standard and analyzing iges files produced by the preprocessors of cad systems , comprehend basic line elements and basic face elements constituting parts and summarize the means to get data information of parts and assemblies . 2
通过对iges数据交换标准本身的研究，分析比较由cad系统的前处理器生成的iges文件，了解组成零件的基本线元和基本面元的实体类型，总结出从iges文件中提取零件和装配体数据信息的方法。 |
| 8. | Further a sketch grammar knowledge base is built on the research of the line - elements relation . based on the design intention from the sketch context , the possible spatial or geometric relations among the line - elements are assured , and the related constraints are fixed on the fines . then disorder sketch is arranged regularly
通过分析总结草图线元关系即草图文法，构建了草图文法知识规则库，在此基础上通过获取草图上下文内容来推理捕捉设计师的意图，确定线条之间可能的几何关系，施加相应约束，使凌乱的线元得到规整。 |
| 9. | The exact expression is n = 4 " , in which n is the stage of koch curve . since we only consider one generator in computation process , so we simplify it as n = 4 ) . the critical point of this kind of koch curve is zero , also called zero temperature phase transition , and this is the character of all the limited branching systems
无分支科赫曲线是一种典型的分形，前人的研究都局限于n = 4 ( n是用线元，面元，或体元覆盖分形系统所需要的覆盖次数，确切的应该写成n = 4 ~ n ，其中n为科赫曲线的级，但我们在重整化群计算时只考虑一个生成元，所以简化为n = 4 )情况，这种科赫曲线的相变点为零，是一种零温相变，这也是有限分岔系统的相变特征。 |
