The garbage collector moves valid blocks to the tail of the log, skips invalid or obsolete blocks, and erases them (see Figure 2).
垃圾收集器将有效块移动到日志的尾部，跳过无效或废弃块，并擦除它们（参见图2）。
Based on some characteristics of decoding and error-floors of low-density parity-check (LDPC) codes, an approach of adding vertical parity-check blocks to original LDPC blocks over GF (2) is proposed.
基于LDPC码在译码和差错平底区域的一些特殊性质，提出了一种为GF(2)域上的LDPC码已编码码字增加纵向校验码字的方法。
Based on some characteristics of decoding and error-floors of low-density parity-check (LDPC) codes, an approach of adding vertical parity-check blocks to original LDPC blocks over GF (2) is proposed.
基于LDPC码在译码和差错平底区域的一些特殊性质，提出了一种为GF(2)域上的LDPC码已编码码字增加纵向校验码字的方法。
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