grassmann中文什么意思

例句与用法

1. People often use the manipulator ' s jacobian matrix or grassmann geometry to analyze the singularities of parallel manipulator . however , both methods are mathematical ones , and ca n ' t find the kinematics reason and universal condition that leads to singular configuration
   研究奇异常用雅可比矩阵法和线几何法，但是它们都是纯粹的数学方法，不能揭示机构奇异的运动学本质和找到发生奇异的普遍性条件。
2. Its content may be separated into two parts . the first part contains chapter one and chapter two , which treat of the harmonic maps from surface into symplectic groups and quaternion grassmann manifolds . the second part contains chapter three and chapter four , which treat of local isometric immersions from space forms or riemannian products of space forms into space forms
   全文分四章，内容可分为两部分：第一部分包括第一、二章，主要论涉从曲面到辛群及四元grassmann流形的调和映射；第二部分包括第三、四章，主要论涉从空间形式或空间形式的局部riemann积到空间形式的局部等距浸入。