在引入核心文献这一崭新概念的基础上，讨论了《七略》中核心文献所具有的层次性及其所反映的文化价值。

After introducing the brand new concept of the core document, this paper discusses the stratification of the core documents and corresponding cultural value in QILUE.

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在前人有关顾客价值研究的基础上，本文补充提出顾客期望价值、设计价值和顾客决策价值三个新概念；

Based on former research relating to Customer Value, this article first proposes three new concepts, i. e. Customer Expecting Value (CEV), Designed Value (DV), Decisive Customer Value (DCV).

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介绍了价值的多种含义，并归纳提出了包装价值的新概念。

Many kinds of meanings of value were introduced, and a new concept of packaging value was concluded.

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