Then we prove the isometrical identity and inversion formula of the solution of the wave equation.
得到了波动方程的解的反演公式及等距等式,为再生核理论的应用提供了新的思路。
The problem of isometric deformation of surface with constant principal curvatures was studied by O.
Bonnet首先研究了保持主曲率不变的曲面的等距变形问题[1]，并证明了常中曲率曲面具有保主曲率的等距变形1985年S。
In this paper, we mainly study the isometric deformation preserving principal curvature of surfaces in Minkowski space R_(1)~3 .
本文研究了Minkowski空间R_(1)~3曲面的等距变形问题。
Let M\ be a timelike surface in \L\+4\with the parallel mean curvature direction, which admits isometric deformation preserving mean curvature.
设 M为 L4 中平均曲率方向平行的类时曲面 ,容有保平均曲率的等距变形 。
After the further discussion and conduction,one can deduct out three patterns: symmetry pattern,isometry pattern and module pattern.
论文围绕高斯提出的算法,进一步讨论和归纳得到:对称式、等距式和模块式,运用这三种方式,更能直观、容易地解决实际问题。
As the isometric-shaped hole machined with 3-axis NC milling machine,the trace of tool,calculation of programming coordinate and the architecture of computer-aided programming were analyzed.
介绍了非圆等距廓形的种类、特点、坐标方程 ,分析了在三轴联动数控机床上加工非圆等距廓形孔时 ,刀具运动轨迹、编程坐标换算和自动编程应用程序框架 ,并给出了包络等距廓形孔的加工程序实例。