trihedrons

常見例句

• 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(gè)大地坐標(biāo)單位活動(dòng)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(duì)回轉(zhuǎn)車削三面體的過程進(jìn)行了運(yùn)動(dòng)學(xué)分析,建立了刀尖相對(duì)于工件的運(yùn)動(dòng)方程,計(jì)算了用該方法加工三面體零件時(shí)的各個(gè)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
• moving trihedron
  憐三面形
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