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The system then uses a variety of machine-learning techniques to train itself to be able to grade any number of essays or answers automatically and almost instantly.

然后，该系统利用多种机器学习技术进行自我培训，以便以一种近乎即时的方式对众多短文或答案进行自动评分。

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He taught himself to be a pilot. During World War II, he designed a machine used to train military aircraft crews to fire guns at enemy aircraft.

VOA: special.2009.01.14

(Sound) As a large machine mashes the cotton into a solid brick a bit smaller than a train car, Pitt says her crop is destined for one of the world's most popular fashion items.

VOA: standard.2009.12.12

Or the ticket machine at the train station or the movie theatre.

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In the unstructured data world, especially text, the big trend is predictive coding or predictive analytics that identify high-risk communications, flag them for followup and use machine learning to train a data set.

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The purpose was, in part, to help train their machine algorithms to detect real names versus fake names and real account versus spam and fake accounts.

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