一个单元确认器包含了确认单个类型单元的逻辑，它被分解为功能与属性确认器。
A unit validator contains logic that validates a single type of unit and is broken into capability and attribute validators.
模式中的部件的锁定属性有时非常有用，但您应该平衡一下此功能与最高的模式重用性。
Locking properties for parts in a pattern can be very useful, but you should balance this capability against enabling maximum pattern reuse.
您可以在属性，单元，功能与域上添加确认器，您可以向用户将状态报告为信息，警告或者错误信息。
You can add validators on attributes, units, capabilities, and domains, and you can report the status to the model user as an informational message, warning, or error message.
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