Numerical results show the multi-bits approach is practical.
数值结果表明,多比特信息分布式检测方案是可行的。
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LinkedIn builds an index structure in their Hadoop pipeline - this produces a multi-TB lookup structure that USES perfect hashing (requiring only 2.5 bits per key).
PDC bits have been used to drill the homogeneous formation from soft to medium-hard, but they are not suitable for drilling in gravel and multi-interbedded formation.