查询词典 matrix

In the dissertation, a new corrected method, straightened algorithm, is presented, with the help of the algorithm, not only the characteristic of sparsely strip matrix be can assured, but also the complicated extent of calculation be can greatly reduced because the variables that locate only in the strip matrix are optimized.

而本文提出了一种新的修正方法—拉直算法，该方法不仅能够保证修正后系统模型的矩阵仍然保持带状稀松的特点，而且由于只对在系统矩阵的带状部分进行优化，其计算的复杂程度也简化了许多。

RESULTS: We detected immunohistochemical evidence of type II collagen within both the extracellular matrix-rich and matrix-poor areas in all 15 cases of clear cell chondrosarcoma.

结果：在15例透明细胞软骨肉瘤的细胞外基质富集区和基质贫乏区，都发现了II型胶原的免疫组化证据。

Methods 65 patients were scanned in brain with magnetic resonance spectroscopy''the location and the size of region of interesting and other scanning parameters values （FOV''frequency matrix''phase matrix''saturate cingulum''etc.

对65例头颅检查的受检者行磁共振波谱扫描，有目的地改变感兴趣区域的位置、大小和其他参数设置（FOV、频率矩阵、相位矩阵、预饱和带等

Methods 65 patients were scanned in brain with magnetic resonance spectroscopy,the location and the size of region of interesting and other scanning parameters values （FOV,frequency matrix,phase matrix,saturate cingulum,etc.） were changed intentionally,the values of full width at half maxium and water suppression lever were recorded.A preliminary evaluation of the resulted waves and the relationship between the parameters data and the quality of the MRS waves were probed.

对65例头颅检查的受检者行磁共振波谱扫描，有目的地改变感兴趣区域的位置、大小和其他参数设置（FOV、频率矩阵、相位矩阵、预饱和带等），记录预扫描后系统显示的半高宽、水抑制程度等数值，并对扫描后显示的图像质量进行初步评价，探讨这些数值与波谱质量之间的关系。

Objective To explore the effects on images from the space location of spectrum and scanning parameters,and summarize the technological essential and application hints.Methods 65 patients were scanned in brain with magnetic resonance spectroscopy,the location and the size of region of interesting and other scanning parameters values （FOV,frequency matrix,phase matrix,saturate cingulum,etc.） were changed intentionally,the values of full width at half maxium and water suppression lever were recorded.A preliminary evaluation of the resulted waves and the relationship between the parameters data and the quality of the MRS waves were probed.

目的 观察波谱空间定位和扫描参对图像质量的影响，并初步小结应用要点方法对65例头颅检查的受检者行磁共振波谱扫描，有目的地改变感兴趣区域的位置、小和其他参数设置（FOV、频率矩阵、相位矩阵、预饱和带等），记录预扫描后系统显示的半高宽、水抑制程度等数值，并对扫描后显示的图像质量进行初步评价，探讨些数值与波谱质量之间的关系。

objective to explore the effects on images from the space location of spectrum and scanning parameters,and summarize the technological essential and application hints.methods 65 patients were scanned in brain with magnetic resonance spectroscopy,the location and the size of region of interesting and other scanning parameters values （fov,frequency matrix,phase matrix,saturate cingulum,etc.

对65例头颅检查的受检者行磁共振波谱扫描，有目的地改变感兴趣区域的位置、大小和其他参数设置（fov、频率矩阵、相位矩阵、预饱和带等），记录预扫描后系统显示的半高宽、水抑制程度等数值，并对扫描后显示的图像质量进行初步评价，探讨这些数值与波谱质量之间的关系。

objective to explore the effects on images from the space location of spectrum and scanning parameters'and summarize the technological essential and application hints.methods 65 patients were scanned in brain with magnetic resonance spectroscopy'the location and the size of region of interesting and other scanning parameters values （fov'frequency matrix'phase matrix'saturate cingulum'etc.

目的 观察波谱空间定位和扫描参数对图像质量的影响，并初步小结应用要点。方法对65例头颅检查的受检者行磁共振波谱扫描，有目的地改变感兴趣区域的位置、大小和其他参数设置（fov、频率矩阵、相位矩阵、预饱和带等），记录预扫描后系统显示的半高宽、水抑制程度等数值，并对扫描后显示的图像质量进行初步评价，探讨这些数值与波谱质量之间的关系。

Its encryption method is to express the letter in accordance with the order given in a matrix, and then use the key provided in accordance with the order re-arrangement of the letters in the matrix to form a ciphertext.

它的加密方法是将明文中的字母按照给定的顺序安排在一个矩阵中，然后用根据密钥提供的顺序重新组合矩阵中的字母，形成密文。

He structure of Toeplitz matrix is special, Circulant matrix is one of a class of this special matrices since it's structure is more special.

oeplitz矩阵是一类结构特殊的矩阵，循环矩阵是其中结构更特殊的一类矩阵。

In this paper, the elemntary knowledge of oblique circulant matrix is described briefly and three inverse eigenvalue problems which a-re denoted by Ⅰ,Ⅱ,Ⅲ and best approximation problem which is denoted byⅣ on oblique circulant matrix are presented.

本文介绍了斜循回方阵的基本内容，提出了斜循回方阵的特征值反问题Ⅰ，Ⅱ，Ⅲ及其最佳逼近问题Ⅳ，给出了它们有解的充分必要条件及求解算法，并举出了相应的数值例子。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。