epoch
/ˈɛp.ək/ 名词 C1中文： 时代、会、世
- A particular period of history, or of a person's life, especially one considered noteworthy or remarkable.
- A notable event which marks the beginning of such a period.
- A specific instant in time, chosen as the point of reference or zero value of a system that involves identifying instants of time. · UNIX epoch; J2000 epoch
- A geochronologic unit of hundreds of thousands to millions of years; a subdivision of a period, and subdivided into ages (or sometimes subepochs).
- One complete presentation of the training data set to an iterative machine learning algorithm. · The neural network was trained over 500 epochs.
复数 epochs
来自图书馆
An Epoch in Anne’s Life
“I’ve had a splendid time,” she concluded happily, “and I feel that it marks an epoch in my life.
As Anne would have said at one time, it was “an epoch in her life,” and she was deliciously athrill with the excitement of it.
Caulfield Gardens was one of those lines of flat-faced pillared, and porticoed houses which are so prominent a product of the middle Victorian epoch in the West End of London.
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