A business process re-engineering effort at a large enterprise is a complex undertaking that may take several years and involve many people and many IT systems.
在大型企业中，业务流程重构工作是一项非常复杂的项目，可能要花费数年，并涉及到众多的人力和信息技术系统。
Chinese traditional houses as the Chinese people of all ethnic groups in the long term and the natural, social and people linked to the creation of large and complex systems engineering.
中国传统民居是中华各族人民在长期与自然、社会和人发生联系下创造的庞大而复杂的系统工程。
"Drawing Standard HVAC" (GB/T50114-2001) The air conditioning water systems engineering large, complex and prone to water imbalance, so use a good hydraulic balance system with the program.
《暖通空调制图标准》 （GB/T50114-2001）本工程空调水系统庞大而复杂，且容易产生水力失调，所以选用了水力平衡性较好 的同程式系统。
In engineering design optimization (DO) of large-scale and complex systems, it is important to handle epistemic uncertainty which exists in design parameters and stages of DO.
在对大规模复杂系统进行设计优化的过程中，处理好各环节和各设计参数中存在的认知不确定性是十分重要的。
In engineering design optimization (DO) of large-scale and complex systems, it is important to handle epistemic uncertainty which exists in design parameters and stages of DO.
在对大规模复杂系统进行设计优化的过程中，处理好各环节和各设计参数中存在的认知不确定性是十分重要的。
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