首先明确了研究的假设条件并对具有奖励惩罚结构的项目支付进度问题进行了定义；
The project payment scheduling problem with bonus-penalty structure is defined and its assumptions are identified firstly.
首先明确了研究的假设条件并对具有奖励惩罚结构的项目支付进度问题进行了定义；
The project payment scheduling problem with bonus-penalty structure is defined and its assumptions are identified firstly.
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