epoch
外观
英语
[编辑]其他形式
[编辑]- epocha (17th–19th c.)
词源
[编辑]源自中世紀拉丁語 epocha,源自古希臘語 ἐποχή (epokhḗ, “停止,中止,暂停;行星达到最高点时的停顿;历史的时期”),源自ἐπέχω (epékhō, “压抑,停止”),源自ἐπι- (epi-, “之上”) + ἔχω (ékhō, “有,拿着”)。
发音
[编辑]名词
[编辑]epoch (複數 epochs)
- 时代,时期
- 2012 January, Donald Worster, “A Drier and Hotter Future”, 出自 American Scientist[1], 第 100 卷, 第 1 期,第 70 頁:
- Phoenix and Lubbock are both caught in severe drought, and it is going to get much worse. We may see many such [dust] storms in the decades ahead, along with species extinctions, radical disturbance of ecosystems, and intensified social conflict over land and water. Welcome to the Anthropocene, the epoch when humans have become a major geological and climatic force.
- (請為本引文添加中文翻譯)
- 纪元的开始
- (天文學) 参照时间点
- (計算機) 参照时间(如UTC 1970年1月1日00:00:00)
- (計算機) 迭代式机器学习算法所产生的一个完整数据集表示;代
- The neural network was trained over 500 epochs.
- 神经网络已经训练超过500代了。
- (地質學) 世,纪(将地质时间划分为小段的时间单位)
相关词汇
[编辑]动词
[编辑]epoch (第三人稱單數簡單現在時 epochs,現在分詞 epoching,一般過去時及過去分詞 epoched)
- (科學,及物) 根据时间将...划分为小段
- 2015年7月6日, “Stronger Neural Modulation by Visual Motion Intensity in Autism Spectrum Disorders”, 出自 PLOS ONE[2], :
- The continuous data were epoched into segments of 1500 ms (starting 500 ms before visual stimulus onset), time-locked to stimulus onset (0 ms) and sorted according to experimental conditions.
- (請為本引文添加中文翻譯)
延伸阅读
[编辑]- “epoch”,Webster’s Revised Unabridged Dictionary,Springfield, Mass.:G. & C. Merriam,1913年,OCLC 800618302
- “epoch”,The Century Dictionary […],New York, N.Y.:The Century Co.,1911,OCLC 867766587
- OneLook 在线词典 上有关 epoch 的释义