Chinese (Simplified Han script) (Boost Unordered - en to zh_Hans translation catalogue (2 entries)

en: `<boost/unordered/concurrent_flat_set_fwd.hpp>` Synopsis
zh_Hans: `++&lt;++boost/unordered/concurrent++_++flat++_++set++_++fwd.hpp++&gt;++` 概要

en: Forward declares all the definitions in xref:reference/header_concurrent_flat_set.adoc[`<boost/unordered/concurrent_flat_set.hpp>`].
zh_Hans: 前向声明 xref:reference/header_concurrent_flat_set.adoc[`++&lt;++boost/unordered/concurrent++_++flat++_++set.hpp++&gt;++`] 中的所有定义。
