查询词典 diagonal element

A determinant whose only nonzero elements occur in square blocks centered about the principal diagonal is in block- diagonal form.

仅有的非零元素集中于主对角线的方块中的行列式是分块对角形式的。

Get the main diagonal of a matrix, or put a vector into the main diagonal of a matrix.

取得的主要矩阵，或将一个向量到对角线的主要矩阵对角线。

The method of diagonal processing is an important special case of the proposed method and the properties of the frequency spectrum of diagonal-sampled data are examined.

对角线信号处理法是本文所述方法的一个重要的特例，故对对角线采样数据的频谱进行了研究。

Based on genetic neural network and modal strain energy, a two-stage method for detecting diagonal crack s is proposed to identify the location, angle and depth of diagonal crack s in beams.

基于遗传神经网络与模态应变能，提出了一种斜裂缝两阶段诊断方法，识别梁体中斜裂缝的位置、角度和深度。

A new sequential step diagonal measurement method has been proposed based on the conventional diagonal measurement. In this method, the error in three axis directions can be divided 9 synthesis errors and they can be identified based on the values measured along four body diagonals.

通过对三个坐标轴方向的误差进行矢量分解，在现有的体对角线方法的基础上，提出了一种改进的分步体对角线测量方法，这种方法通过分步测量机床工作空间的四条体对角线可以快速获得分解后得到的9项位置误差。

Through drawing an equilibrium diagram with diagonal branch using independent path method, the instability of airflow in diagonal branch can be seen clearly.

应用独立通路法画出含有角联分支的通风网络平衡图，可以直观地看出角联分支风流不稳定的变化情况，从而为研究角联分支对通风网络的影响提供更有效的方法。

In this paper,the diagonal Cartesian method simulating the complex boundary, together with thetreatment to wetting-drying dynamic variation of the boundary, is applied into thetwo-dimensional shallow-water flows and sediment transport mathematical modeling,and their governing equations are discretized and solved in diagonal Cartesiancoordinates.

本论文采用斜对角笛卡尔坐标方法对不规则的复杂边界进行模拟，重点处理好干湿动边界的变化，并在斜对角笛卡尔坐标系中进行二维浅水运动的水流泥沙基本控制方程的离散和数值计算求解。

In view of the usual vertical-horizontal elastic mesh's shortage in left falling stroke and right falling stroke, we present a new elastic mesh structure method—diagonal elastic mesh, which is composed of diagonal beelines of and , and divides the Chinese character image into many diamonds.

针对通常的纵横弹性网格对汉字"撇、捺"笔画特征提取的不足，提出一种新的网格构造技术——对角弹性网格，它由45°和135°的对角直线构成，将汉字图像划分为多个菱形，能够很好地适应汉字在"撇、捺"方向的变化。

After disinfection and medical activities before, samples were taken from three points in a diagonal of a relatively closed space with area not more than 30 square meters. In general, one point was from diagonal center, and the other two points from the two ends with one meter distance to walls. When the area exceeded 30 square meters, samples were collected from five points, one was from the center, and the other four points from four angles with one meter distance to walls, and the altitude was 80-150 cm from vertical distance to the ground. The total number of microbes not more than 200cfu/m^3 was considered qualified.

消毒后和进行医疗活动之前，相对封闭的空间，面积≤30平方公尺时，在一条对角线上取3点采样，一般是中心和两端距墙壁1米处各取1点；面积＞30平方公尺时，应取中央及四角距墙壁1米处共5点采样，布放高度为垂直地面80cm~150cm，微生物总数≤200cfu/立方公尺为合格。

When you mark a point at 1/4 of that diagonal and repeat the process an equilateral triangle is formed there , and each line as half the diagonal; this is 1/6 of the circle and is called the sextile aspect.

当你在对角线的1/4处做标记，并重复这个过程，也可以形成等边三角形，每条线的长度都是对角线的一半；这就是圆的1/6，叫六分相位。

We have limited budget let me know if you can do this competitively.

我们有限的预算让我知道如果你能做到这一点竞争力。

We don't know how other critters breathe--lizards, for example.

我们还不知道诸如蜥蜴之类的动物如何呼吸。