sub·se·quence /ˈsʌbsəˌkwɛn(t)s, sɪkwən(t)s/
  隨後發生的事;[數]子序列,部分序列
  subsequence
  次序列
  Sub·se·quence Sub·se·quen·cy n. The act or state of following; -- opposed to precedence.
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  subsequence
       n 1: something that follows something else [syn: sequel]
       2: following in time [syn: posteriority, subsequentness]
          [ant: priority]