water allied-usage model 水联合运用模型
The paper discusses the two-error model demand function in ladder-like water pricing of residents living water usage—discrete continuous model, and proposes its algorithm and program in R package.
本文针对居民生活用水实施阶梯水价下双误差项的需求函数模型——离散连续选择模型进行了讨论，并给出了R包下的仿真算法和程序。
This article evaluates the externality through joint usage of water resources model and water quality mode.
开发并联合利用了水资源模型和水质模型来评估水权交易的外部性。
The utility model has multi usage modes, and can be used in decoration requiring environments on water, on garden grassplot, on a work top, etc.
本实用新型具有多种使用方式，可在水上、花园草坪上、工作台面上等需要装饰的环境中使用。
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