You want to add a validator to an existing model element (the core unit type), but the source code is not accessible.
您想要向已存在的模型元素添加一个确认器(核心单元类型)，但是不能访问源代码。
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The definition involves element data type, value confine, measurement unit, concept term, arbor code, score, role prosperity and trigger of child node in the arbor tree.