A fishing vessel and a cargo ship collided in rough seas.
一艘渔船与一艘货轮在风大浪急的海上相撞了。
It's hard to pilot a vessel in rough weather.
在大风浪中为船舶引航是很困难的。
It's hard to pilot a boat in rough waters.
在汹涌的海面驾驶船只不容易。
I've drawn it in rough, to give you some idea of how it looks.
我已经把它草草画了出来，好让你有个大概的印象。
Knowledge reduction is one of important issues in rough set theory.
知识约简是粗糙集理论的重要研究内容。
先把它大致画出来。
It 's hard to pilot a vessel in rough weather.
在大风浪中为船舶引航是很困难的。
So, in rough Numbers, there are a million laptops.
这样大约有一百万台笔记本电脑。
Attribute reduction is a research focus in rough set theory.
属性约简是粗糙集理论中的一个研究重点。
Attributes reduction was one of the key problems in rough set theory.
属性约简是粗糙集理论的核心内容之一。
Data reduction is one of important research issue in rough set theory.
数据约简是粗糙集理论中一个非常重要的研究课题。
Attribute reduction is an important concept in rough sets data analysis.
属性约简是粗糙集用于数据分析的重要概念。
Have improved calculation model of the consistency level in Rough Set.
改进了粗糙集一致性水平的计算模型。
Reduction of attribute is another important subject in Rough Set theory.
属性约简是粗糙集理论中的一个重要课题。
Reduction of attribute is another important subject in Rough Set theory.
属性约简是粗糙集理论中的一个重要课题。
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