基本解釋[經(jīng)濟學]單位聯(lián)合成本英漢例句雙語例句Further, limits of cost per unit effort and maximum value of the effort for joint harvesting of these four types of two-species are derived from analyzing the existence of bionomic equilibrium.進而，通過分析生態(tài)經(jīng)濟均衡的存在性得到了單位努力量使用成本的限制條件和努力量的上確界。chazidian.comjoint cost per unit更多例句專業(yè)釋義經(jīng)濟學單位聯(lián)合成本