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1·The identity matrix is the matrix that does nothing.

单位矩阵是一种可有可无的矩阵。

2·Having found all square roots of an identity matrix.

找出了单位矩阵的所有平方根。

3·The next thing I need to tell you is something called the identity matrix.

接下来我要说的,是单位矩阵。

4·If you multiply a color vector by the identity matrix, the color vector does not change.

如果您将色彩向量乘以单位矩阵，色彩向量不会变更。

5·The identity matrix is special in that when it is applied to vertices, they are unchanged.

恒等矩阵的特殊之处在于它应用到顶点时保持不变。

6·A convenient way to form the matrix of a color transformation is to start with the identity matrix and make a small change that produces the desired transformation.

若要组成色彩转换矩阵，从单位矩阵开始是很方便的方式，然后做小幅度变更来产生想要的转换。

7·This paper presents a method of information hiding based on the digital-position information, bringing forward an augmented identity matrix and a definite arithmetic upon it.

描述了一种基于数字位置信息的信息隐藏方法，给出了一个单位增广矩阵，并在此基础上给出了具体算法。

8·We can re-write the output accounting identity in expression (3) in condensed matrix form.

我们可以在简明矩阵式中重述公式（3）中的输出会计恒等式。

9·Edge detction based on wavelet multi-scale identity is made. The statistics features based on regional gray and the co-occurrence matrix of gray level are taken as performing image segmentation.

该系统先对粮虫图像进行小波边缘提取，根据灰度共生矩阵和局部统计方法提取小波分割后的图像纹理特征。

10·The recursive equation is derived from a cross - identity basal on a formula of matrix analysis .

递推方程是由基于矩阵分解公式的交叉等式导出的。