求翻译：摘要：本文分析了工程变更的原因及引发的相关问题。结合法规条例的要求，对合同约定的工程变更程序、设计修改、价格、质量、计量及工期等事项都做了具体的讨论。通过案例的分析和管理对策的研究，阐明了工程变更是建设项目的常有之事，只有正确对待才能避免因管理的不善造成的经济损失；同时也能预防经济纠纷。是什么意思？

Abstract: This paper analyzes the engineering changes and caused problems. Combined with the requirements of the laws and regulations, contract engineering change process, design changes, such matters as price, quality, measurement and duration of specific discussion. Through case analysis and manag

Summary: This paper analyzes the reason for the change project and the related issues. Laws and regulations with the requirements of the contract agreement, the engineering change process, modifications to the design, price, quality, measurement and results, and other matters are the specific discus

Abstract: This article has analyzed the project change reason and the initiation related question.The union laws and regulations rule request, to the contract agreement project change procedure, the design revised, items and so on price, quality, measurement and time limit for a project has all made

Abstract: this paper analysed the causes of project changes and raises related issues. Combined with requirements of laws and regulations, contractual engineering change procedures, design modification, matters such as price, quality, metrology and duration makes specific discussions. Through case a