顶点的在顶点或者最高点的;
在顶点两侧的内弧面上仍然有尖端的拱。
An arch having cusps in the intrados on either side of the apex.
在这篇文章中,我们研究了素数阶对称图的齐分解,其中M在顶点集上作用是正则的。
In this paper we study homogeneous factorisations of symmetric graphs of prime order such that M acts regularly on vertices.
That percent grew to the peak of the market in 1999; after the peak in 2000 it began to fall.
在1999年这一赞同的比例接近最高点,在2000年达到顶点后开始下降
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