2) complete quadrangle
完全四点形
1.
The method of reconstructing a trirectangular tetrahedron from a stereo projection made up of two complete quadrangles is put forward.
研究了体视投影的复原问题,提出了根据两个完全四点形为体视投影恢复三直角四面体的方法。
2.
In this paper,we have proved several elementary geometry propositions by using the harmomic property of complete quadrangle,and thus manifested its application in elementaru geometry.
利用完全四点形的调和性质证明了几个初等几何命题,从而体现了它在初等几何中的应用。
3.
According to definitions of the complete quadrangle,the harmonic point range and the harmonic line pencil,the proposition of Desargues,the converse proposition of Desargues and the proposition of harmonic conjugates can solve the problems of 3-line concurrence,4-line concurrence,3-point collineation,4-point collineation,5-point collineation,and 6-point collineation.
由完全四点形、调和点列或调和线束的定义,Desargues命题、Desargues逆命题或调和共轭定理,解决了三线共点、四线共点,三点共线、四点共线、五点共线或六点共线的问题。
3) complete quadrilateral
完全四线形
4) complete polygon
完全多边形
补充资料:完全聚点
完全聚点
complete accumulation point
完全聚点【~ple加a~ula石佣,血t;~~n爬皿。,灿l,拓扑空间x中的集合M的 一点x‘X,使得对和x的任何邻域的交与整个集合M有相同基数‘M.“B而眺oBc。汤撰[补注1
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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