请输入您要查询的英文单词:

 

单词 periodograph
释义

periodograph

/ˌpɪərɪˈɒdəɡrɑːf/ /ˌpɪərɪˈɒdəɡraf/
Chiefly Science
noun
1A periodogram; (originally) specifically a curve drawn in a periodogram. Now disused.
2An instrument for automatically making a periodogram analysis or Fourier analysis of a curve by optical means.

Origin

Late 19th century. From period + -o- + -graph. Compare slightly earlier periodogram.

随便看

 

英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/3/22 17:02:50