基本解释[数学]点无关集英汉例句双语例句An exact algorithm to improve the upper bound of vertex cover and independent set problem for low degree graphs is presented.给出了一种提高低度图点覆盖和独立集问题下界的精确算法。independent vertex set更多例句词组短语短语independent vertex -set 独立点集vertex independent set 点独立集independent vertex set更多词组专业释义数学点无关集