By using the variation dynamic admittance algorithm of the load power, the ill-conditional number problem of the node admittance matrix is solved.
利用负荷功率变动态导纳算法解决了节点导纳矩阵病态问题。
But since BHP's takeover would be conditional on antitrust approval, which could take months, Chinalco has a number of options in the meantime.
但由于比和必托的并购必须以通过反垄断审批为基础,中国铝业同时具有多个选择。
The upper bound of conditional chromatic number of graphs and the graphs satisfying this bound are obtained.
得到了图的条件色数的上界和达到上界的图类。
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