Through the thorough research on the degeneration of the normal second order curve's inscribed hexagon, this paper theoretically discusses Pascal's theorem and its content and expands the range of its application.
通过对常态二阶曲线的内接六角形退化情况的全面研究，加深了Ｐａｓｃａｌ定理的理论探讨，丰富了Ｐａｓｃａｌ定理的内容，拓广了Ｐａｓｃａｌ定理的适用范围。
Measurement and analysis for contact angle of inner race of spherical roller bearing;
调心滚子轴承内套接触角的测量及分析
The characteristic for a class inscribed triangle of conic section and it′s application;
圆锥曲线一类内接三角形的性质及其在作图中的应用
Application of Affine Nature in the Demand of Maximum Area of Inscribed Triangle Within the Ellipse
仿射性质求椭圆内接三角形的最大面积
The characteristic for a class inscribed triangle of conic section and it′s application;
圆锥曲线一类内接三角形的性质及其在作图中的应用
a triangle whose interior angles are all acute.
内角均为锐角的三角形。
Equilateral triangle that appears to be carved into marble. The triangle contains a circle; both are bisected vertically.
像是镌刻在大理石上的等边三角形。三角形中有一个内接圆；圆和三角形都被竖直等分。
y delta connection
星形 三角形连接法
delta star transformation
三角 星形接线变换
delta electromotive force
三角(形接法电动势
open delta connected transformer
开口三角形接法变压器
Three-phase three-wire winding, delta or meshed connection, ungrounded or grounded.
三相三线绕组, 三角形或网状连接, 接地或不接地。
a triangle that contains an obtuse interior angle.
有一个内角是钝角的三角形。
Three-phase winding, 4-wire delta connection, ungrounded or grounded.
三相绕组, 四线三角形连接, 接地或不接地。
Three-phase winding, 4-wire delta connection. Ungrounded or grounded can be specified.
三相绕组，四线三角形连接。可指定不接地或接地。
Three-phase winding, open delta connection. Ungrounded or grounded can be specified.
三相绕组, 开式三角形连接。可指定不接地或接地。
Three-phase winding, open delta connection, ungrounded or grounded.
三相绕组, 开式三角形连接, 接地或不接地。
The Properties for Triangles of Which Sides or Interior Angles are Equiratio Sequences;
边或内角成等比数列的三角形的性质
Three-phase three-wire winding, delta or meshed connection. Ungrounded or grounded can be specified.
三相三线绕组，三角形或网状连接。可指定不接地或接地。
Ascending Triangle
上升三角形、平顶三角形
an equilateral triangle
等边三角形,正三角形