名词
中文翻译：节点操作符
同义词：
['node operator', 'node operator', 'node operator例句：1. In the graph theory', 'a node operator is used to represent a node in the graph.（在图论中，节点运算符用于表示图中的节点。）']
例句：
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1. In the graph theory, a node operator is used to represent a node in the graph.
在图论中，节点运算符用于表示图中的节点。
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2.The node operator is used to calculate the sum of all nodes in the graph.
节点运算符用于计算图中所有节点的总和。
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3.The node operator is also used to perform operations on individual nodes in the graph.
节点运算符还用于对图中单个节点执行操作。