On structure and extensionality of fixed - point combinators in cl w 中不动点组合算子的结构与范式
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Xml is a common standard standard . so the panoramic space made by use this method is utilized in other platforms . on the other hand , it is possible to construct a lager panoramic space because of xml ' s good extensionality 由于xml是一种通用的标准，所以通过该方式组织的全景空间也可以被外部平台所使用，而且，其良好的可扩展性使组建更大规模的全景空间成为可能。
