indefinite projects meaning in English

未定工程项目
未确定工程项贝

The article emphasizes some new methods in the fields of project item planning management . they are as followed : the technique method of indefinite network planning and optimizing , the forecasting and optimality method of indefinite item and nonlinear time limit for a project and cost , the fuzzy cluster analysis hereditary algorithm of network resource equilibrium planning , the vann forecast method of indefinite project item cost
本文着重研究了工程项目计划管理领域的非确定性网络计划优化技术方法、非确定性项目非线性工期?总成本预测与优化决策方法、网络资源均衡计划的模糊聚类分析遗传算法、非确定性工程项目造价的变结构神经网络预测方法，并进行了多个实证研究。