finite game有限对策finiteadj.有限的Finite-alphabet property字符有限特性Finite eodimensional ideal有限余维理想finite perturbation theory有限微扰理论finite dimensional control有限维控制finite-difference scheme有限差分法finite torsion deformation有限扭转变形finite time thermodynamies有限时间热力学finite difference analysis有限差分分析finite separable extension有限可分扩张finite algebraic extension有限代数扩张

1. According to the substructure concept, the infinite structure can be divided into two substructures, a finite and a semi-infinite region.
   根据部份结构法，无限延伸结构系统可分成有限区域与无限区域等两部份。