分解

With the increase of continuous cropping year, ammonifying bacteria, azotobacter and cellulolytic bacteria showed the tread of first increases and then decreases and reached the biggest value at continuous cropping for 5 and 3 yr, while the nitrifying bacteria quantity was decreased sharply with the increase of continuous cropping year.

随连作年限的增加，氨化细菌、固氮菌和纤维素分解菌数量呈现先增加后降低的趋势，分别在连作5、3和3年达到最大值，而硝化细菌数量随连作年限的增加急剧下降。

Firstly, based on natural gradient and nonlinear principal component analysis, a matrix equation is obtained by block recursive updating,and then the matrix equation is solved using QR factorization and back substitution to obtain the optimal separating matrix.

此外，结合自然梯度和非线性主分量分析提出了一种块递归的盲源分离方法，构造出按块递归更新的矩阵方程，然后用QR分解和回代法求解该矩阵方程得到最优分离矩阵。

Firstly, based on natural gradient and nonlinear principle component analysis, a matrix equation is obtained by block recursive updating, and then the matrix equation is solved by using QR factorization and back substitution to obtain the optimal separating matrix.

首先基于自然梯度和非线性主分量分析，构造出按块递归更新的矩阵方程，然后用QR分解和回代法逐块求解该矩阵方程得到最优分离矩阵。

In this paper we discussed the problem of balancing plane correlation on multiplane balancing and advanced a method to solve the problem which is based on truncated singular value decomposition technology.

对多平面平衡中平衡面相关的问题进行了探讨，并据此提出了解决的方法———截尾奇异值分解技术。

It uses the Empirical Mode Decomposition for the diagnosis of high-speed ball bearing.

提出了一种基于经验模式分解的高速滚动轴承故障诊断方法。

In this paper, an extended divide and conquer algorithm is intended proposed, which is for solving the real symmetric band generalized eigenvalue problem under distributing environment Eigenvalue partition theorem is presented and proved Based on divide and conquer by extension, this algorithm computes generalized eigenpaires of symmetric band matrix pencil by bisection and generalized Rayleigh quotient iteration Theoretic analysis and numerical results show that this algorithm is better than the classic software package LAPACK when bandwidth is small and the scale is large Combined with multisection, which has good parallelism, it got good effects under distributed environments

提出了分布式环境下计算对称带状广义特征值问题的一种扩展分治算法，给出了特征值分割定理及其证明算法在扩展分治的基础上，利用二分压缩结合广义Rayleigh商迭代计算广义特征对理论分析和数值实验表明，对于窄带宽大规模的广义特征值问题，该分治算法明显优于LAPACK软件包结合并行性好的多分法，在分布式环境下获得了很好的并行效果1 引言本文研究了对称带状广义特征值问题Ax =λBx ( 1)的并行计算，其中，A ，B均为半带宽为r的n阶实对称带状矩阵且其中之一是正定的本文总假设B是正定的求解此问题有两种传统方法，第1种方法是通过计算矩阵B的Cholesky分解，将问题( 1)转化为标准特征值问题[1～3] ，进一步

A redshift can be measured when light from a galaxy is broken up and spread out into a band of colors called a spectrum.

当从星系发出的光被分解展开成光谱的时候就可以测出红移了。

During the courseof several prior studies of anesthetic breakdown, we noted that barium hydroxide lime, but not sodalime, turns yellow upon desiccation.

我们在麻醉药分解的一些早期研究过程中，注意到氢氧化钡石灰干燥后会变黄，而钠石灰不会。

Matrix metalloproteinases, which degrade extracellular matrix and basement membrane, plays an important role in many inflammatory diseases.

基质金属蛋白酶(matrix metalloproteinases，简称MMPs)是可以分解细胞外基质和基底膜的蛋白质水解酶，在许多疾病中扮演重要的角色。

The new method of the singular value decomposition is used to calculate the eigenvalue of embedding space matrix , and the corresponding algorithm to calculate eigenvectors and to obtain the basis of embedding vector space is put up in this paper.

应用本征值分解技术对动力系统实测数据嵌入空间矩阵的本征值进行了计算，提出了具体计算嵌入空间矩阵本征值及其本征向量的改进计算方法，以及嵌入空间矩阵基的改进选取方法。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。