isometric form

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。aFy汉语字典

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。aFy汉语字典

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。aFy汉语字典

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 。aFy汉语字典

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。aFy汉语字典

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。aFy汉语字典