Any query such as the one in Listing 1 has a precise path to the specified datum, which a DBMS can quickly determine in balanced trees and byte-offset codings.
如清单 1 中所示的任何查询都有到指定数据的精确路径，DBMS 可以迅速地在均衡树和字节偏移编码中确定它。
Restoration of near-offset missing datum is an interesting and important problem in seismic data processing.
在地震数据处理中，恢复缺失的近偏移距道数据是一项非常重要的工作。
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