约翰逊：请问什么是“语言热点”？ 它有哪些特征？
Johnson: What is a "language hotspot", and what are the characteristics of the typical hotspot?
这个地区是语言研究的热点，在这里有足够的空间来研究丰富而多样的语言，不论它们是否曾经记录在案。
It is a language hotspot where there is room to study rich, diverse languages, many unwritten or documented.
因此，跨语言信息检索成为当今的研究热点。
Therefore, cress - language information retrieval has been hot in research.
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