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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。
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magnetic quantity sensor
magnetic quantization
magnetic quantum number
magnetic Raman scattering
magnetic random access memory
magnetic random-access memory
magnetic random access memory, MRAM
magnetic random-access memory, MRAM
magnetic read head in hard disk drive
magnetic reconnection
magnetic reconnection in magnetosphere
magnetic recording
magnetic recording device
magnetic recording imaging digital printing
magnetic recording material
magnetic recording materials
magnetic recording media
magnetic refrigeration
magnetic refrigeration material of non rare earth
magnetic refrigeration material of non-rare-earth
magnetic refrigerator
magnetic region
magnetic relaxation
magnetic reluctance
magnetic reluctance, magnetic resistance, reluctance
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