资源适配器可能用这个方法检查算术属性是否在可以接受的范围之内，或者确保表示枚举值的字符串有效。
The resource adapter might use this method to check that numeric properties are within the acceptable range or to ensure that a string property representing a value from an enumeration is valid.
资源适配器可能用这个方法检查算术属性是否在可以接受的范围之内，或者确保表示枚举值的字符串有效。
The resource adapter might use this method to check that numeric properties are within the acceptable range or to ensure that a string property representing a value from an enumeration is valid.
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