过程内的人工数据的有效性对于输入数据的正确性十分关键。
In-process manual data validation is crucial for the correctness of input data.
迭代地描述架构，经常检查并确保它的正确性及有效性。
Develop architectural descriptions iteratively, constantly reviewing their correctness and usefulness.
用该模型构造的电子谈判实例验证了它的正确性和有效性。
The example of e-negotiation by means of the model has verified its usefulness and validity.
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