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The principles and methods were introduced for measuring soil organic matter content with the aid of spectrum data diffusely reflected by the soil.

阐述了利用有机质的反射光谱特性对土壤有机质含量进行测定的原理及方法。

Electronics system design of high resolution many spectrum digital camera.

高分辨率多光谱数字相机电子学系统的设计。

The weighted method is an important method of enhancing resolution in digital signal spectrum analyses.

随着计算技术的发展，数字信号处理方法应用到谱分析中，极大地改善了谱分析的质量。

A digital signal processing power spectrum estimation example, the need to be taken as reference.

一个数字信号处理的功率谱估计的例子，需要的可以作为参考。

The properties and structures have been investigated as well by X-ray diffraction, infrared absorption spectrum and differential thermal analysis. The solvent dilatability and gelation ability, viscidity and organic content have been tested.

以十六烷基季铵盐为有机化改性剂，用微波辐射加热的方法制备出了性能优良的有机膨润土，利用XRD、FT-IR、DTA等方法分别对合成的钠基膨润土和有机膨润土的结构进行了研究和表征；并初步测试了有机膨润土的溶胀性、凝胶性能、粘度和有机物含量。

To measure, calculate, display, print sound intensity sound pressure, sound power, three dimensional sound intensity spectrum, equal intensity contour are all deeply studied.

本文就声强、声压、三维声强谱、等声强线以及A计权、1/3倍频程的测量、计算、显示、打印等进行了深入的研究，并编制了一整套运行于Windows平台的图形化多文档界面声强测量分析软件。

Thus Diophantus\' work is at the opposite end of the spectrum from the purely synthetic work of Euclid.3. The methods of Diophantus are discussed in the paper.

希腊文本部分主要依(来源：A9393BC论文网www.abclunwen.com)据希思的英文版，阿拉伯文本主要依据塞夏诺的英文版。

In order to reduce these artifacts which may occur in the phoneme pontes of the converted speech if the final part of a Chinese character or a syllable is a diphthong or a tri-phthong, we select a main vowel for each final to warp the spectrum in a longer segment: a final.

为了减轻基于音素的声音变换系统合成的声音频谱出现的很多不连续的现象，我们提出为每个韵母选取一个主要元音音素来代替对应的整个韵母部分，这样可以将语音频谱按音节分割成一些较长的频谱段，减少变换后频谱的不连续现象。

The inversion of matrix can be realized by spectrum LU decomposition and direct solution.

本文结合谱法LU分解和直接解法方法的优点，提出了一种混合算法。

This paper proposes a hybrid scheme, which combines the advantages of spectrum LU decomposition and direct solution.

文中采用谱分解方法建立起矩阵列元素的谱分解表，并采用直解法的递推公式，可以快速给出矩阵的分解。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。