In linear algebra, a
matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
线性代数中，矩阵是一个按行和列排列的数字、符号或表达式的矩形数组。
The determinant of a square
matrix is a value that can be calculated from the elements of a square
matrix.
方阵的行列式是从方阵元素中计算出来的一个值。
A diagonal
matrix has all its non-diagonal elements equal to zero.
对角矩阵的非对角线元素都等于零。
The transpose of a
matrix is obtained by flipping the
matrix over its diagonal, which switches the row and column indices of the elements.
矩阵的转置是通过将其沿对角线翻转得到的，这会交换元素的行和列索引。
The identity
matrix is a square
matrix with ones on the main diagonal and zeros everywhere else.
单位矩阵是一个主对角线上的元素为1，其他位置的元素为0的方阵。
Multiplying a
matrix by a scalar results in another
matrix with each element multiplied by that scalar.
将一个矩阵乘以一个标量会得到一个新的矩阵，其中每个元素都是原矩阵对应元素与该标量的乘积。
Matrix addition is performed by adding corresponding elements of two matrices.
矩阵加法是通过将两个矩阵的对应元素相加来完成的。
The inverse of a square
matrix, if it exists, is another
matrix that when multiplied with the original
matrix results in the identity
matrix.
如果存在的话，方阵的逆矩阵是另一个矩阵，它与原矩阵相乘的结果是单位矩阵。
A system of linear equations can be represented as a
matrix equation.
线性方程组可以表示为矩阵方程。
In computer graphics, transformation matrices are used to manipulate 2D or 3D objects.
在计算机图形学中，变换矩阵用于操作2D或3D对象。
In the future, the board will collaborate with CITS Overseas to create a comprehensive new media matrix.
未来，董事会将与CITS Overseas合作，创建一个全面的新媒体矩阵。
Based on the results of independent, scientific and fair market research and laboratory tests, Panda Guide created a proprietary review matrix and standard system for agricultural products, which is able to rate premium agricultural products in a one to three-star score.
根据独立、科学、公平的市场调查和实验室测试结果，Panda Guide创建了一个专有的农产品审查矩阵和标准体系，能够将优质农产品评为一到三星级。
DCP indicated it will work closely with Datong's management team to create a new insurance ecosystem driven by product customization, demand matching, and a comprehensive service matrix to provide professional insurance services to Chinese consumers.
DCP表示，它将与大同的管理团队密切合作，以产品定制、需求匹配和综合服务矩阵为驱动，创建一个新的保险生态系统，为中国消费者提供专业的保险服务。
"We will continue to incubate a multi-brand matrix with a differentiated competitive edge to cover sports-loving consumers in different market segments and different fields," he added.
他说,将继续孵化多品牌矩阵,以差异化竞争优势覆盖不同市场领域、不同圈层的体育爱好者。
"With further complement to the flagship store on JD this year, Devialet has gradually improved and expanded its store matrix and sales channels in China, achieving more than double sales growth on both Tmall and JD in 2020.
今年，Devialet在中国进一步补充了其在京东的旗舰店，逐步优化和扩展了其在中国的门店矩阵和销售渠道，从而在2020年实现了在天猫和京东销售的翻倍增长。
Liang said future emphasis will be placed on promoting rural and countryside travel plans inside China, elevating services and content offerings, and building a content marketing matrix facilitating industrial players.
梁建章表示，未来将重点推进国内乡村游和周边游，提升服务和内容供给，构建赋能产业玩家的内容营销矩阵。
The US ITC has decided to launch section 337 investigation into certain active matrix OLED display devices and related components.
美国国际贸易委员会（US ITC）已决定启动针对某些主动矩阵OLED显示设备及其相关组件的第337节调查。
The complaint alleges violations of section 337 of the Tariff Act of 1930 in the importation into the United States and sale of certain active matrix OLED display devices and components thereof that infringe patents.
此投诉指控违反了1930年关税法的第337条，涉及进口到美国并销售某些侵犯专利的有源矩阵OLED显示设备及其组件。
"However, just as Disney doesn't depend on a single IP, it requires a matrix of IPs for Pop Mart to nurture more sustainable growth for its brands," he said.
“然而，就像迪士尼不依赖单一IP一样，Pop Mart需要一个IP矩阵来为其品牌培育更可持续的增长，”他表示。
Industry big names such as ZhenFund and Matrix Partners China will come once every quarter to provide their professional advice, said Paul Stoffels, vice-chairman of the executive committee at Johnson & Johnson.
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