In addition to public and private libraries there were many specialized collections in ancient Greece.

除了公共图书馆和私人图书馆，古希腊还有相当数量的专门图书馆。

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The specialized topicref element lets authors specify semantics or constraints on collections of topics.

专门化的 topicref 元素允许作者规定主题集合的语义或者约束。

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For complete, single-purpose collections such as functional specifications, information plans, and quick reference guides, you might package these specialized topicref elements with a new map type.

对于完整的、用途单一的集合，如功能规范、信息规划和快速参考指南，您可以将这类专门化的topicref元素打包成新的映射类型。

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It calls up images of dusty museum collections policed by overseers who are either bewilderingly specialized or blatantly indifferent.

FORBES: Laser-Age Brand Curating

The 13 collections document Australian childhood culture spanning 140 years, with specialized material from the 1950s, 70s and 80s - possibly the largest collection of its kind in the world.

UNESCO: Communication et information