词汇	hard -shell clam
释义	hard -shell clam un.硬壳蚌
随便看	singular differential equations singular differential equation with delay singular differential systems with delay singular diffusion singular Dirac operator singular direction singular direction of algebroidal function SINGULAR DIRECTIONS OF DIFFERENTIAL POLYNOMIAL singular direct product singular discrete singular discrete-time linear system singular distributed parameter systems singular distribution singular divisor singulare Singulare Singular edges singular eigenfunction singular electro-elastic fields singular element singular element of a Lie algebra singular elliptic equation singular elliptic function singular elliptic problem singular endomorphism