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In Chapter three, we discuss the crossing number of the join.
在第三章中探讨了与联图有关的交叉数。
youdao
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So this is like crossing off the person in position number 2 here.
这就像是划掉,2号位上的人或物。
youdao
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So this is like crossing off the person in position number 2 here.
这就像是划掉,2号位上的人或物。
youdao