[6.1检索的要点](2-7-6.1%E6%A3%80%E7%B4%A2%E7%9A%84%E8%A6%81%E7%82%B9.md) [6.2检索过程](2-7-6.2%E6%A3%80%E7%B4%A2%E8%BF%87%E7%A8%8B.md) [6.3检索策略](2-7-6.3%E6%A3%80%E7%B4%A2%E7%AD%96%E7%95%A5.md) [6.4抵触申请的检索](2-7-6.4%E6%8A%B5%E8%A7%A6%E7%94%B3%E8%AF%B7%E7%9A%84%E6%A3%80%E7%B4%A2.md)