I am often asked at what point should we lock down the requirements and subject our users to formal change request procedures.
我经常会被问及我们应当在哪个时间点上回顾需求，并且使我们的用户服从正式的变更需求程序。
I am often asked at what point should we lock down the requirements and subject our users to formal change request procedures.
我经常会被问及我们应当在哪个时间点上回顾需求，并且使我们的用户服从正式的变更需求程序。
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