n.等量曲线
Isoquant A line showing all the alternative combinations of two factors that can produce a given level of output. 等产量线是表示两种生产要素的不同数量组合可以带来相等产量的一条曲线。
Equal-product curve (or isoquant) is a line in a graph showing the various possible combinations of factor inputs which will yield a given quantity of output. 等产量曲线表示在产量既定的条件下，投入要素的各种可能的组合。
output isoquant 等产出线
isoquant diagram 等量图
