The JOLAP specification defines two compliance levels that differentiate on the basis of core and core-with-optional functionality.
JOLAP规范定义了两种遵从性级别，它们的差别在于一个具有最基础的核心功能，另一个是具有可选功能的核心功能。
Is the reference implementation for JSR-170. It is part of the Apache foundation and provides level 1, 2 and optional functionality.
它是JSR- 170的参考实现，Apache基金的一部分，提供级别1,2和可选功能。
Is the reference implementation for JSR-170. It is part of the Apache foundation and provides level 1, 2 and optional functionality.
它是JSR- 170的参考实现，Apache基金的一部分，提供级别1,2和可选功能。
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