To put the model in simple economic terms, its search results give away, say, $1 in value, and in return (thanks to the user’s clicks) it gets 1 cent back.
换用简单的经济学表达来说，其搜索结果产生出1美元的价值，而其收益（感谢用户的单击）却只是1美分。
Today's mashup applications can be described using a simple interaction model that supports search, review, collaborate, and update behaviors.
如今的mashup应用程序可以用一个简单的交互模型来描述，该模型支持搜索、查看、协作和更新行为。
Objective To search a simple and reliable method for establishing an alcoholic liver disease model in rats.
目的寻找一种简单可靠的方法制作大鼠慢性酒精性肝病模型。
By discussing the identification equation of submarine searching, and common characteristics of search methods, a simple mathematic searching model for dipping sonar is given.
分析了吊放声纳发现判决方程、各种搜潜方法的共性特征，在此基础上将探测、发现目标的问题逐步转换成易于求解的数学模型。
By discussing the identification equation of submarine searching, and common characteristics of search methods, a simple mathematic searching model for dipping sonar is given.
分析了吊放声纳发现判决方程、各种搜潜方法的共性特征，在此基础上将探测、发现目标的问题逐步转换成易于求解的数学模型。
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