trihedron

基本解釋

In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.
摘要以旋轉(zhuǎn)橢球體面上某點(diǎn)為原點(diǎn)建立一個大地坐標(biāo)單位活動坐標(biāo)架。
Aimed at a kind of rotary cutting machine, the machining process of trihedron cutting is kinematically analyzed, and the moving locus equations of cutting edge are deduced.
對回轉(zhuǎn)車削三面體的過程進(jìn)行了運(yùn)動學(xué)分析,建立了刀尖相對于工件的運(yùn)動方程,計算了用該方法加工三面體零件時的各個參數(shù)。
irregular angle, right and reverse side, trihedron etc.
多角形、正反面、三面等。
associated trihedron
相伴三面體
basic trihedron
基本三面體