词汇	子地
释义	子地 zǐ dì北方。
随便看	lattice pitch latticeplane lattice plane lattice-plane lattice plane spacing lattice plant lattice plate latticepoint lattice point lattice-point lattice point at the boundary lattice point formula lattice-point formula lattice point function lattice point group lattice point in the plane lattice point prblem lattice point problem lattice-point problem lattice point row lattice points lattice-point search lattice-point separation vector lattice polarization lattice pole