青年中文trihedron的意思
trihedron中文翻譯：
n.[數]三面體
Differing from previous studies, the new method was derived from the idea of motion of moving trihedron along a predesigned path of contact on the predesigned (theoretical) tooth surface.───以往的齒面加工方法不同，在新的齒面展成方法中，齒面展成運動是在沿預定接觸跡線的曲面活動標架下設計的。
In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.───以旋轉橢球體面上某點為原點建立一個大地坐標單位活動坐標架。
In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.
Differing from previous studies, the new method was derived from the idea of motion of moving trihedron along a predesigned path of contact on the predesigned (theoretical) tooth surface.
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.