1)fundamental tetrahedron,基本四面体2)tetrahedron group,四面体基团3)polynitrotetrahedrane,多硝基四面体烷4)tetrahedral modeling basis function,四面体元基函数5)fundamental parallelepipedo,基本平行六面体6)a model "the incorporation of growth units of anionic coordinated polyhedra",正、负四面体生长基元
