model and data validation 称为模式及资料的验证
The main purpose of conversion and validation is to ensure values have been properly sanitized before updating model data.
转换和验证的主要目的是确保在更新模型数据之前已经经过了正确的无害处理。
By placing the validation in the data instance, the model should validate itself rather than rely on the server to validate the information.
模型将验证置于数据实例中以实现自我验证，而不是依赖服务器验证信息。
The next step is to identify and model the data elements such as incoming orders, manufacturing data, and validation data.
接下来的步骤是确定数据元素并且为其建模，比如到来的订单，生产数据和验证数据。
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