词汇	optional selection
释义	optional selection 任意抽样
随便看	discrete phase-locked loop Discrete Phase Model discrete phase models discrete picture discrete pileup discrete placement discrete planar epitaxial device discrete p-Laplacian systems discrete plate discrete plotting discrete point discrete point curvature discrete point loads discrete points discrete point set discrete-point test discrete Poisson model Discrete polynomial-phase transform discrete population dynamics models discrete position representation discrete potential function discrete potential theory discrete power series distribution Discrete predator-prey systems discrete predictive model