subcovering

With the consideration of both word-coverage rate and sentence-coverage rate, a character Directed Graph with ambiguity mark was implemented for searching all possible segmentation sequences.在分析了现有各种汉语分词算法及其优缺点的基础上,提出以句子覆盖率和分词覆盖率作为评价分词方法的指标,详细介绍了基于网络有向图的双向匹配分词算法的设计与实现,该算法对经典的最大匹配分词算法进行了改进,通过带覆盖歧义标志的有向图生成多候选分词序列。5nJ汉语字典

Every open covering of X has a finite sub-covering.每个开覆盖都有一个有限子覆盖。5nJ汉语字典

cover her face with a handkerchief; cover the child with a blanket; cover the grave with flowers.用手帕覆盖她的脸；用毯子覆盖孩子；鲜花覆盖了坟墓。5nJ汉语字典

He smothered the fuel with a blanket.他用毯子覆盖住燃料。5nJ汉语字典

To cover or hide(something) with or as if with a cushion.以垫子覆盖用或似乎用垫子覆盖或隐藏（某物）5nJ汉语字典

Covered with or having leaves.叶子覆盖着的或长有叶子的5nJ汉语字典

having or covered with leaves.长有叶子的或叶子覆盖着的。5nJ汉语字典

X is quasi-compact (that is, every open covering of X has a finite sub-covering) .X是拟紧的（即对于X的每个开覆盖都有一个有限子覆盖）。5nJ汉语字典

And he pointed to the dead body under the flag.他说着用手指了指旗子覆盖着的尸体。5nJ汉语字典

The cover for such an opening.舱口盖覆盖这种开口的盖子5nJ汉语字典

a mist filmed over the mirror镜子上覆盖着一层薄雾。5nJ汉语字典

The village was overwhelmed by ash from the volcano.村子被火山灰覆盖。5nJ汉语字典

The footprint of a microcomputer;the footprint of a communications satellite.微型电子计算机的覆盖区；通信卫星的覆盖区5nJ汉语字典

not supplied with a cover or covering.没有提供盖子或覆盖物的。5nJ汉语字典

To cover with a thin protective layer.覆盖以薄的保护层覆盖5nJ汉语字典

To cover or surround with mulch.覆盖用覆盖层覆盖或包围5nJ汉语字典

and the lid and the inside wall of the pitcher is juicy.“盖子”上和内壁四周都覆满着一种汁，5nJ汉语字典

moth whose gregarious larvae spin carpets.其幼虫吐丝造地毯状覆盖物的蛾子。5nJ汉语字典

A coating similar to the pelt of a mammal.皮子象哺乳动物毛皮的覆盖层5nJ汉语字典