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        "quote": "标量$C _ { i j } ^ { k } \\in \\mathbb { K }$.，作为向量$E _ { i } E _ { j }$相对于给定基的唯一确定分量，称为该代数相对于基$\\{ E _ { i } \\}$的<u id=\"concept-6-structure-constants\" class=\"concept-term\" data-concept-identity=\"urn:uuid:903209da-385d-464a-8d57-61b71d54e2e8\" data-concept-route=\"/concept-identities#concept-903209da-385d-464a-8d57-61b71d54e2e8\">结构常数(structure constants)</u>。这是定义代数的一种常见方式，因为一旦相对于任意基指定了结构常数，我们便可通过分配律<a href=\"#equation-6-1\" class=\"cross-reference\" id=\"xref-01-algebras-and-ideals-4\" data-reference=\"equation-6-1\">式(6.1)</a>生成任意一对向量$A = a ^ { i } E _ { i }$与$B = b ^ { j } E _ { j }$的乘积，",
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