The TBR CLASS used for transaction processing is defined in the TTR.
用于交易进程处理的TBR分级被定义在TTR中。
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This paper will describe and compare three static rollover threshold estimation metrics:Static Stability Factor (SSF), Side Pull Ratio (SPR), and Tilt Table Ratio (TTR).
The second screen of the TTR contains a field TRANSACTION ID LOCATION that specifies the position of the TBR NAME in the header (in this case, position 8 for a length of 4).