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“正交的”的英語可以翻譯為：[計] orthotropic，[醫(yī)] orthorhombic ...

總可以做到使得簡并的本征函數(shù)是正交的.It can always be arranged that degenerate eigenfunctions are orthogonal.此外, 這三個解全都是互相正交的.Further, these three solutions are all orthogonal to each other.和兩個不同的主脅變相對應的主方向是互相正交的.The principal directions ...