单词	broadcasts the time
释义	broadcasts the time 播期
随便看	non-negative operator non-negative periodic solution Non-negative Periodic Solution non-negative pressure non-negative pressure plumb nonnegative quadrant non-negative quadratic programming nonnegative radial solutions nonnegative real number nonnegative restriction nonnegative ricci curvature non-negative Ricci curvature nonnegatives non-negatives nonnegative self-adjoint operator non negative semidefinite matrix nonnegative sequence non-negatives matrix faetorization nonnegative solution non-negative solution Nonnegative solutions non-negative solutions non-negative sparse coding nonnegative term nonnegative terms