查询词典 bordered matrix

Figure 2-21 Dot-matrix printer The print head mechanism on a dot-matrix printer can contain nine to twenty-four pins, depending on the manufacture and the printer model .

点阵打印机的打印头从9针到24针不等，取决于生产厂商和打印机模式。

Dot-matrix A dot-matrix printer is an impact printer that produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon .

点阵打印机是击打式打印机的一种，当打印头机构上的细小的针撞击油墨色带时，便形成了打印图形。

Lagrange interpolation focus on the application of the formula .The comparison between the method of Transform and that of Lagrange's interpolation formula in square matrix form is made. Also the form of Lagrange's interpolation formula is generalized to include the double root case.The application of the generalized lagrange's interpolation formula in square matrix to solving state equations is found to be effective.

重点介绍了Lagrange插值公式在状态方程求解中的应用，用对角矩阵及相似矩阵的性质证明了，当状态转移矩阵中方阵的特征根相异时，拉格朗日插值公式与Laplace变换法对表达具有一致性，并用极限方法对方阵含二重根时拉格朗日插值公式的应用进行了推导。

The topology of two-stage matrix converter given based on the concept of fictitious DC link of matrix converter and dual space vector modulation strategy of TSMC was studied.

在矩阵变换器虚拟直流环节的思想上，给出了双级矩阵变换器的电路拓扑，仿真研究了双级矩阵变换器的双空间矢量调制策略。

Analytical results indicate that AC magnetic field should be below the penetration magnetic field of superconducting tape and frequency of magnetic field should be low (200Hz)enough in order to reduce the influence of eddy current loss in metal matrix and coupling loss among superconducting filaments and the matrix.

在测量过程中交变磁场必须低于带材穿透磁场；磁场需要保持在低频（200Hz以下）以减少基材的涡流损耗和超导芯间的耦合损耗对测量损耗电压的影响。

On theory and application, studying the eigenvalue of special matrix is easier than the general matrix.

在理论与应用上，相比一般矩阵的特征值，特殊矩阵的特征值更容易研究。

Matrix iteration method can be employed to figure out the first eigenvalue and eigenvector of a matrix.

矩阵迭代法是求矩阵的第一阶特征值与特征向量的一种数值方法。

Methods The matrix transformation method and matrix eigenvalue analysis method.

方法矩阵变换与矩阵特征值分析方法。

Many factors such as characteristic of separation matrix, additives, pH of buffer, electrophoresis temperature, electric field strength and electroosmosis influence the migration of DNAs in separation matrix.

为了将NGS-CE更好地应用于癌症的早期诊断，本论文分成两部分对NGS-CE检测基因突变的方法进行系统的研究。

We show a matrix A is similar to an orthogonal matrix over a field of characteristic 2 if and only if ( 1 ) the invariant factors of A are symmetic,(2) A has at least an elementary divisor of the form ( x + 1 ) m.

本文利用矩阵方程证明如下两个结果：设F为一个域char=2，在F上矩阵A相似于一个正交矩阵的充要条件为(1)A的不变因子是对称的。(2)A至少有一个形为(X十1)的初等因子。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。