• 1. The Outer Product: 外积运算

• 1.It is also shown that the dyad is just the outer product of two vectors, and the relationship between dyads and tensors can be accordingly set up.
  据此，可以阐明并矢正是二矢量的外积，并建立了其与张量的对应关系。
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• 2.The MSVD method constructs a self-contained orthogonal basis using the outer product of left and right eigenvector matrixes decomposed from 2D geochemical or geophysical maps.
  该方法首先对地球物理和地球化学等网格数据进行二维矩阵的奇异值分解，之后用左特征向量矩阵与右特征向量矩阵的直积构造一个正交完备基。
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• 3.The Oracle (+) outer and cross join syntax is directly mapped to the DB2 database product.
  Oracle(+)外连接和交叉连接语法被直接映射到DB 2数据库产品。
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