triharmonicWiktionary 原文英美构词拆解tritri-前缀harmonicharmonic词干tri-Three. · (chemistry) Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.词源说明From tri- + harmonic.释义形容词adjective1(mathematics) Describing a class of sixth-order partial differential equations which arises in areas of continuum mechanics同族词相关词 1biharmonic