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No one can possibly recall any detail about the meeting. it is at least five years since it ()
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正确错误Recall命令在没有范围和条件时能恢复表中所有逻辑删除的记录
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No one can possibly recall any detail about the meeting. it is at least five years since it ()
用RECALL命令可以恢复用PACK命令删除掉的记录()
“friendship(友谊)”和“recall(回顾、撤消)”都是()
召回率(recall)指预测为正的样本中实际为正的样本所占比例。
用DELETE命令删除的记录可以用RECALL命令恢复