| 释义 |
echelle 英eɪ'ʃel美eɪ'ʃel COCA²⁴²⁷⁶⁹
基本例句
n.阶梯光栅¹⁰⁰
The general theories behind echelle and its applications in astronomy are briefed, and the differences between echelle spectrograph and plane grating spectrograph are analyzed and compared.
简述阶梯光栅的基本原理和在天文学中的应用，分析并比较了阶梯光栅光谱仪与普通平面闪耀光栅光谱仪的区别。 cnki |