不要惊讶于这些引擎返回的页面数量不同，因为它们都有各自建立页面的索引的算法。
Do not be surprised if the number of pages returned by the search engines varies widely as they each have their own unique algorithms for indexing pages.
用这些语言写出的代码需要比Scala更少的类型注解，因为Scala的类型推断算法得同时支持面向对象类型和函数式类型。
Code written in these languages require type annotations less often than in Scala, because Scala's type inference algorithm has to support object-oriented typing as well as functional typing.
Ocue公司(这家公司创立票价浮动运算法则)的巴里·卡恩表示，摇滚音乐会的动态定价潜力很大，因为这些音乐会没有季票持有者。
Barry Kahn of Qcue, a software firm that creates the algorithms, says the potential for dynamic pricing is much greater in pop music because there are no season-ticket holders.
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