专业词汇 Professional terms The Optimum Combination of Products production structure Product- product relationships Complementary Broadly competitive Closely competitive Supplementary Joint products marginal rate of product substitution Isoresource curves Production Possibilities BoundaryThe Optimum Combination of Products production structure Product - product relationships Complementary Broadly competitive Closely competitive Supplementary Joint products marginal rate of product substitution Isoresource curves Production Possibilities Boundary 专业词汇Professional terms