以抛物面壳为例，介绍了用节点坐标为未知量分析复杂剪式铰结构几何问题的方法和几何设计的步骤。
Geometry analysis and design procedure of complex pantograph structures are studied with joint coordinates as variables and parabolic shell is taken as an example.
这非常重要，由于阿雷西博望远镜的独特几何结构：尽管绝大多数的射电望远碟面都是抛物面型的，而阿雷西博的碟面是在地上挖出的一个巨大半球。
This is significant because of the unique geometrical features of the Arecibo telescope: whereas most radio dishes are parabolic in shape, the Arecibo dish is a giant half-sphere dug into the ground.
本文将分别对双曲线、抛物线的参数方程阐述几何意义(见例2、例3)。
This paper describes the geometric meaning for the parametric equation of hyperbola and parabola, respectively (see examples 2 and 3).
摘要将《解析几何》教材中抛物面的两个性质定理推广到更一般的情形。
In this paper, two properties of paraboloid in the textbook analytic geometry is generalized.
研究建筑上常用的柱状面、锥状面和双曲抛物面等不可展直纹曲面的几何性质。
This paper explores three ruled surfaces geometry properties about columnar surface, cone surface and hyperbolic parabobid.
它不仅对解决有关旋转抛物面交线的作图问题提供了很大的方便，同时还能解决一些用画法几何的一般作图法所不能解决的作图问题。
This new method not only is convenient to solve the graphy of intersecting curve of paraboloid of revolution, but also can solve some graphic problems which can not be …
它不仅对解决有关旋转抛物面交线的作图问题提供了很大的方便，同时还能解决一些用画法几何的一般作图法所不能解决的作图问题。
This new method not only is convenient to solve the graphy of intersecting curve of paraboloid of revolution, but also can solve some graphic problems which can not be …
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