事实上，雕塑概念在形式层次的边界也得到了突破，很多被称为“雕塑”的雕塑已经接近于装置。

In fact, sculpture concepts made breakthroughs in form and arrangement, and many called sculptures were close to installations.

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对于每一种形式，都需要在业务处理层次为其建模。

Each of these would need to be modeled at the business process level.

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另外，SchemaServer描述了结构性模型，用来以信息类的层次结构形式存储和交换信息。

Additionally, SchemaServer describes the structural models used to store and exchange information as a hierarchy of information classes.

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