exactsequence正合序列: exact sequence序列: order; alignment; array; suc ...恰切序列: exact sequence长正合序列: exact sequence纯正合序列: pure exact sequence下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:正合序列 恰切序列，即可在微信中查询翻译
