而以用户为中心的设计(user centreddesign)能够确保从一开始，真实的用户就能参与到设计的过程中，这使得传统的设计假设遭到质疑，从而有更好的设计能符合用户需求。
User centred design ensures that right from the start, real users are brought into the design process and that design assumptions are challenged. This leads to better designs that fit users' needs.
摘要：目前市场上对大口径涂塑有较大的需求，而以现有的技术条件其制造成本极高。
Abs tract: the big caliber plastic-coated steel tube has a great need in the market recently, however the cost is very high with the existing technology.
企业应把需求大体相似的消费者划归同一群体，从而以相应的商品和服务去满足该群体消费者的特殊需求。
Enterprises should be classified broadly similar needs of consumers in the same group, the corresponding goods and services to meet the special needs of this group of consumers.
在一些公司中的项目计划中没有需求规格说明书了，而以功能需求文档，设计文档或者以其他不同形式描述需求。
In some organizations requirements may end up in high level project plans, functional specification documents, in design documents, or in other documents at various levels of detail.
在一些公司中的项目计划中没有需求规格说明书了，而以功能需求文档，设计文档或者以其他不同形式描述需求。
In some organizations requirements may end up in high level project plans, functional specification documents, in design documents, or in other documents at various levels of detail.
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