词汇	three way value
释义	three way value 医三路阀
随便看	diminishing marginal rate of substitution diminishing marginal returns diminishing marginal returns to labor diminishing marginal utility diminishing method diminishing method of depreciation diminishing operator diminishing pipe diminishing plank diminishing population diminishing poverty diminishing productivity diminishing-provision expense diminishing provision method diminishing-provision method diminishing rate diminishing rate of growth diminishing relative value diminishing return diminishing returns diminishing returns from increasing intensity diminishing returns industry diminishing returns to scale diminishing return theory diminishing rule