It turns out that to actually find text in these images, you can train a machine learning model where you give it some example data where people have drawn circles or boxes around the text.
事实证明,要想识别这些图像中的文字,你可以对一个机器学习模型进行“训练”,给它一些人们在文字周围画圈或画框的样本数据。
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。
We're going to use this imaginary train to get as close as possible to the speed of light and see how it becomes a time machine.
虚构的火车以接近光速的速度行驶,它如何变成一个时间机器呢?
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
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