词汇	geometrical shadow
释义	geometrical shadow 几何阴影
随便看	singular perturbed singular perturbed model singular plane singular plane of complex singular plane of congruence singular-plural agreement singular point, singularity singular-points-outside-domain method singular point value singular position singular positive radial solution singular point singular point of a function singular point of algebraic variety singular point of analytic function singular point of an analytic function singular point of a surface singular point of complex singular point of congruence singular point of faulty current singular point of higher order singular point quantities singular point quantity singular points Singular points distribution