1.
The sum of the elements of the principal diagonal of a matrix.
一矩阵中主对角线元素之和
2.
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。
3.
From corner to corner;diagonally.
对角地从角到角地，对角线地，对顶地
4.
a single stitch at a diagonal.
对角线处只有一条缝线。
5.
A Survey on Skill-based Interpreting Course Books-From the Perspective of Schema Theory
从图式理论视角对以技巧为主线编写的口译教材的调查
6.
diagonal straightening roller
对角整纬辊(校正对角线纬斜)
7.
diagonal microprogramming
对角线型微程序设计
8.
a diagonal line across the page.
一条对角线横过书页。
9.
slanted across a polygon on a diagonal line.
以对角线斜跨多边形的。
10.
diagonal displacement
对角线形纬斜(织物疵点)
11.
vertical diagonal time section
对角线垂直时间剖面
12.
diagonal line of a complete quadrilateral
完全四边形的对角线
13.
Orthogonal Semi pandiagonal Latin Squares and Pandiagonal Magic Squares
正交半泛对角线拉丁方与泛对角线幻方
14.
ORTHOGONAL PANDIAGONAL LATIN SQUARES AND PANDIAGONAL MAGIC SQUARE(Ⅱ)
正交泛对角线拉丁方与泛对角线幻方(Ⅱ)
15.
A line that joins a vertex of a triangle to the midpoint of the opposite side.
中线从三角形顶点到对边中点的直线
16.
The values calculated at population levels are above the diagonal, the average values at taxon level are below.
对角线上为居群水平的计算值，对角线下为以物种为单位的平均值。
17.
This can be extended to nxn tridiagonal matrix with L, U bidiagonal.
把它推广到nxn三对角线矩阵使具有两对角线的矩阵L、U。
18.
Draw a diagonal line to divide the square into two triangle
画一条对角线,把正方形分成两个三角形