沙化土地光谱数据源分为单一地物类型级和复合地物类型级两种，野外测量时分别采取不同的采样方法。
Spectral data sources of sandy land included single surface feature and composite surface feature, and their spectral data were measured by different sampling methods.
阐述了不同条件下从泥炭中分离出来的腐植酸级分的光谱研究结果，以便为腐植酸的分级方法提供依据。
In order to demonstrate the fractionating method, the results of spectroscopy study on humic acid fractions separated from peat in different conditions were introduced.
首先在画素级上提取影像的纹理和形状结构特征，在构建的多尺度分割集影像上提取物件的区域光谱特征。
Firstly, texture and shape features are extracted at the pixel level, and spectral features are extracted at the object level based on multi-scale image segmentation maps.
几何形状、灰度级、颜色，尤其是农产品表面的反射光谱特性，可以用于农业机器人识别操作对象。
The geometrical shape, gray level, color, and reflected spectrum especially of farm production, can be used for agricultural robots to recognize the operated objects.
介绍了二级光谱的基本原理，给出了波差法设计复消色差物镜的方程组。
The principle of secondary spectrum is introduced and the equations of designing apochromatism objective lens based on wave aberration are presented.
银纳米微粒具有特定的吸收光谱和明显的共振瑞利散射(RRS)、二级散射(SOS)和倍频散射(FDS)光谱。
They have specific absorption spectra and there are obvious resonance Rayleigh scattering (RRS), second-order scattering (SOS) and frequency-doubling scattering (FDS) spectra.
文中采用模糊识别的绝对值指数法对高光谱图像进行识别分类，并对分类结果进行像元级的评价。
The article used absolute exponent as one of the methods of fuzzy diagnosis to identify and classify hyperspectral images, then evaluated precision of classification result based on pixel level.
考察了二级处理出水中有机组分的组成分布、三卤甲烷生成势、紫外光谱和红外光谱。
The distribution, trihalomethane formation potential (THMFP), UV-Vis and FTIR spectra of organic fractions in the secondary effluent were examined.
圆二色光谱、红外光谱和拉曼光谱数据表明，积雪草酸与牛血清白蛋白的结合使得蛋白的二级结构发生了变化。
The influence of AA on the conformation of BSA has also been analyzed on the basis of FT-IR, CD and FT-Raman spectra.
在折反系统中，用同一种红外材料实现了像差特别是二级光谱的校正。
In the catadioptric infrared optical system, both aberration and second spectrum are corrected by using the same infrared optical material.
同步荧光光谱显示，与溴鼠灵作用后BSA分子的二级结构发生了改变。
The synchronous spectroscopy of BSA and brodifacoum-BSA revealed that the BSA conformation had changed in the presence of brodifacoum.
红外光谱显示该衍生物可以改变蛋白的二级结构。
However the IR spectra indicated that the chrysin derivative induced the secondary structure change of bovine serum albumin.
接下来，设计高光谱成像仪的准直镜和成像镜，通过更换玻璃，降低二级光谱色差。
Secondly, the eyepiece and the Fourier transform lens are designed to minimize the secondary color by the ways of changing glass.
接下来，设计高光谱成像仪的准直镜和成像镜，通过更换玻璃，降低二级光谱色差。
Secondly, the eyepiece and the Fourier transform lens are designed to minimize the secondary color by the ways of changing glass.
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