nonnegative

正的，非负的中释adj

1 Its optimal solution is obtained by finding a nonnegative solution of compatible equations..其最优解是通过求一个相容方程组的非负解而得到。

2 Because of the phenomenon that the negative self-scattering cross sections cause the negative probability sample, a nonnegative corrected method is put forward and validated by the benchmark problems..针对输运修正引起的自散射截面导致的负概率抽样现象，提出了一种非负修正方法，并用基准计算验证了该方法的正确性。