1.
The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2A°/mm in the first order.
光谱仪用了一块凹面衍射光栅，第一级光谱的色散度为4．2埃／毫米。
2.
First Principle Calculation of Electronic Structure and Spectroscopic Parameters of AlX Dimers;
AlX二聚体电子结构和光谱参数的第一原理计算
3.
First-Principles Study of Vibrational Raman Spectra of Amorphous Carbon
非晶碳薄膜振动拉曼光谱的第一性原理研究
4.
Class 2 equipment [laser game]
第2级装置〔激光游戏〕
5.
Study on Correcting Secondary Spuctrum of Diffactive/Refractive Hybrid Optical System;
衍/折射光学系统消二级光谱的研究
6.
Polarized Absorption Spectra Research of Nanometer Molecule s Orientation Behavior;
纳米级分子取向行为的偏光光谱研究
7.
Study on Transmission Spectrum of Cascaded Long-period Fiber Gratings
级联型长周期光纤光栅传输谱的研究
8.
A subpixel target detection algorithm based on compressed Hyperspectral data
一种基于高光谱压缩数据的亚像元级目标探测算法
9.
First, laboratory researchers had not measured the wavelengths of many of the relevant spectral lines with sufficient precision.
第一，实验室里的研究人员从未精确测量过许多相关光谱的波长。
10.
Study on the F′ color center adsorption spectrum of anatase with high concentration of oxygen vacancy using the first principle
锐钛矿高氧空位浓度F′色心吸收光谱的第一性原理研究
11.
Study on Analysis of Pericarpium Citri Reticulatae by the Multi-steps Infrared Macro-fingerprint Method;
陈皮的红外光谱三级宏观指纹谱图分析研究
12.
Investigation of atomic spectra yields atomic energy levels.
原子光谱的研究能给出原子能级信息。
13.
The structure effect on the secondary spectrum of long focal refractive optical system
结构型式对折射式光学系统二级光谱的影响
14.
The Convex Grating Diffractive Efficiency Calculating and Second Diffraction Suppression
凸面光栅的衍射效率计算及其二级光谱抑制
15.
He that climbs a ladder must begin at the first step .
登梯须从第一级开始。
16.
first in rank or degree.
在等级或者程度上第一。
17.
In chapter two, the basic principles of the Raman spectroscopy and the relation of Raman spectrum and IR spectrum are included.
第二章主要介绍了喇曼光谱学的基本原理及喇曼光谱与红外光谱的关系;
18.
luminescence spectrum
发光光谱,荧光光谱