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在分类工作中,我常常感到,有些很常用的分类号可以不查分类表,却又怕记忆错误,不得不去查对一下,这样较费时。于是就产生了编制一览表
In the classification work, I often feel that some commonly used classification number can not check the classification table, but afraid of memory error, had to check it, so more time-consuming. So there is a preparation of the list