我一边开车,一边数我的旅客。
带时间和边数约束的双约束最短路问题是NP完备的。
The shortest path problem with two additional constraints in transition time and number of edges is NP Complete.
对这一现象,从能量角度给予了解释,并建立了折叠边数判据。
The new phenomenon of transition zones is explained from the angle of energy and the criterion of the number of folding edges is established.
As far as I know -- I know of no exception, although someone may well be able to produce one no original poem in English had ever been published with line numbers in the margin in its very first printing.
就我所知,无一例外,尽管有些人能很好的制作出摹本,但英语原版诗歌从不在首次印刷的时候,把行数印在页边空白处。
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