In DB2 9.1, the compression takes effect only after the table dictionary is built, which is usually during the table REORG phase.
在DB 2 9.1中，只有在建立了表字典之后(表字典通常是在表reorg阶段建立的)，压缩才能生效。
The heat generated in the compression phase is normally radiated into the air outside the building.
压缩阶段产生热量一般被辐射到建筑物外的空气中。
Phase coding is firstly used for pulse compression, then correlative detection is performed by polarization coding.
它是在用二相编码完成脉冲压缩的基础上，利用极化编码实现相关检测。
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