Firstly, this paper clarified the method of water pricing, the multifunctionality of irrigation, and irrigation water's character of public goods.
分析灌溉水价的作用及其制定理论、灌溉的多功能性、灌溉水的公共物品特性。
Library service is a kind of public goods, which decides that library can't make a change in character and run along the industrial road like an enterprise.
图书馆服务是一种公共物品，这种公共物品性质决定图书馆不能转制，变为企业走产业化道路。
Grain is a special commodity with its economic nature, as well as with the character of public goods.
粮食是一个具有经济性质，又具有公共品性质的特殊商品。
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