“sketching”的概念、定义、翻译、参考文献-科学参考

单词	sketching
释义	sketching Encyclopedia 理学流算法释 sketching略图构造略图构造（sketching）指的是利用略图设计流式算法（见流算法）的技巧。在设计流算法时，常常需要通过随机映射将数据流中的高维数据投影到在一个小的存储空间内作为概要，并基于该概要近似地回答有关整个数据流的特定查询。如果这个小空间存储的概要具有可合并性，则称其为一个略图。换言之，存在一个空间效率很高的算法将任意两个数据流的略图合并成一个关于整个数据流的略图。
随便看	national urban system planning National Urban Wetland Park National Vegetation Database for Germany National Virtual Observatory,United States National Vocational Qualification National Voice Standard Compilation (Taiwan Region of China) National Water Museum of China National Water Research Institute national water resource protection planning national water resources management system of China national water security strategies national wealth National Wetland Museum of China national wetland museum of China National Wetland Park National Wetland Protection Project national wholesale price index of agricultural products national wildlife refuges National Women's Football League National Woodworking Machinery Quality Supervision and Inspection Center National Workers' Games of the People's Republic of China National Working Conference on Tourism Development National Work Meeting on Chinese Operatic Plays National Workshop on Chinese Calligraphy National Wuchang Higher Teacher School

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