fixed-price systems 固定电价系统
water price systems 水价体系
two systems electricity price 两部制电价
Genering price-level inform systems 一般物价程度会计
以上来源于: WordNet
The efficiency implies that the responses of water users for the equilibrium price systems in the market mechanism can implement the whole of optimal utility of the concentrated c.
这种有效性表现为在平衡价格系统下，市场分配机制实现了集中分配机制的最大整体效益。
The efficiency implies that the responses of water users for the equilibrium price systems in the market mechanism can implement the whole of optimal utility of the concentrated control mechanism.
这种有效性表现为在平衡价格系统下，市场分配机制实现了集中分配机制的最大整体效益。
The codes—which typically range in price from $80 to $155 per course—give students online access to systems developed by education companies like McGraw Hill and Pearson.
这些访问码的价格通常在每门课程80美元到155美元之间不等，学生需要通过这些访问码才能在线使用麦格劳·希尔和培生等教育公司开发的系统。
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