只有在点—轴系统理论中，点、线才都是内生变量，是构建空间结构模型的不可或缺的两大要素。
Only in the pole axis theory, do the point and the line become the endogenetic variable and they form the two indispensable factors of constructing spatial structure.
洪峰散点序列在一定尺度范围内表现出了自相似性和分形特征，可用分形理论划分洪水分期。
The flood events have self-similarity and fractal characteristic for certain duration, the fractal theory can be used to determine the division of flood stage.
在传统多边形内点自动生成算法的基础上，提出了一种基于多边形三角化理论的内点自动生成算法。
On the base of analyzing the traditional methods of making polygon node, this paper puts forward a new method to automatically create node based on Triangulation Theory.
在少齿差内啮合传动中，存在多对接近啮合的小间隙齿面于理论啮合点左右，轮齿受力产生的微小变形使得某些对齿面相互接触进入啮合状态。
In small tooth difference of inner meshed transmission, there were a few pairs of tooth faces which were apart from each other for a small gap beside the contact point generated by two meshed teeth.
板块运动理论的一个关键点就是在地质历史的尺度内，海洋盆地的开合是因为板块转换，具有转换特征。
A key aspect of plate tectonic theory is that on geologic time scales ocean basins are transient features, opening and closing as plates shift.
讨论了滤波器设计中的一些理论，尤其是研究了在滤波器阻带内实现传输零点的一些理论和设计方法。
In the second, filter design theory and methodology has been investigated, especially the cross-coupled resonator filter and the modified chebyshev filter.
讨论了滤波器设计中的一些理论，尤其是研究了在滤波器阻带内实现传输零点的一些理论和设计方法。
In the second, filter design theory and methodology has been investigated, especially the cross-coupled resonator filter and the modified chebyshev filter.
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