Now, computer scientists from the Machine Perception Laboratory at the University of California, San Diego have used machine learning to enable the robot to learn expressions on its own.

而现在，圣地亚哥加利弗尼亚大学机器感知实验室的计算机科学家们已经可以通过机器人的机器学习能力使它自己教会自己做出面部表情。

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With labour one of their biggest costs—42 percent of production expenses on U.S. farms, on average—they started using a mechanical harvester adapted from a machine used by wine makers.

由于劳动力成本是他们最大的成本之一——平均占美国农场生产费用的42%——他们开始使用一种由酿酒商使用的机器改装而成的机械收割机。

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The machine used to sell soda water.

这个机器以前是出售苏打水的。

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The term today most often is used to describe a powerful machine designed to clear away trees and other big objects.

VOA: special.2009.02.15

- Those of you with backgrounds in history or we've seen -- or remember World War II with technologies that were used in it might know of the Enigma machine, which is kind of the same idea.

你们其中有历史背景的人或者我们看到的-,或记得起的第二次世界大战中使用的,可能知道的英格玛装置，那是一种同样的思想。

哈佛公开课 - 计算机科学课程节选

laundry. We used to have a washing machine and a dryer in our house.

那就是洗衣服。过去我们家有洗衣机和烘干机。

与众不同的纽约 - SpeakingMax英语口语达人

With their backs to the Mediterranean, the loyalists used machine gun nests and snipers atop buildings to fight back Friday.

CNN: In Gadhafi's hometown, his once opulent house lies in ruins

An employee had used that machine to download music lyrics from a Web site that Scob had infected.

FORBES: Criminal Outbreak

Unlike Santiago, Hemingway used a machine gun to drive off the sharks.

NPR: The Enduring Depths of 'Old Man and the Sea'