2018考研英语常见语法长难句解析（25）

 　IN "Minority Report", a police- man, played by Tom Cruise, gleans tip-offs from three psychics and nabs future criminals before they break the law. In the real world, prediction is more difficult. But it may no longer be science fiction, thanks to the growing prognosticatory power of computers. That prospect scares some, but it could be a force for good-if it is done right.

　　Machine learning, a branch of artificial intelligence, can generate remarkably accurate predictions. It works by crunching vast quantities of data in search of patterns. Take, for example, restaurant hygiene. The system learns which combinations of sometimes obscure factors are most suggestive of a problem. Once trained, it can assess the risk that a restaurant is dirty.

　　长难句解析

　　第一段：

　　1. IN "Minority Report", a police- man, played by Tom Cruise, gleans tip-offs from three psychics and nabs future criminals before they break the law. 在《少数派报告》中，汤姆•克鲁斯扮演的警察通过梳理三个灵媒透露的消息，在罪犯违法前逮住了他们。

　　(引入)

　　2.In the real world, prediction is more difficult.

　　在现实世界中，预测更加困难。

　　3.But it may no longer be science fiction, thanks to the growing prognosticatory power of computers.

　　但由于计算机的分析能力增强，这可能不再是科幻小说。

　　4. That prospect scares some, but it could be a force for good-if it is done right. 这个展望令一些人害怕，但它可能是善的力量--如果操作正确的话。

　　第二段：

　　1. Machine learning, a branch of artificial intelligence, can generate remarkably accurate predictions.

　　机器学习是人工智能的一个分支，它可以生成精确的预测。

　　2. It works by crunching vast quantities of data in search of patterns.

　　它的工作原理是在大量的数据中搜寻模式。

　　3.Take, for example, restaurant hygiene.

　　举例来说，餐厅的卫生状态。

　　4. The system learns which combinations of sometimes obscure factors are most suggestive of a problem.

　　系统学习最能反应问题的(有时是模糊的)因素的组合。

　　5.Once trained, it can assess the risk that a restaurant is dirty.

　　一旦训练，它可以评估一家餐馆的卫生风险。