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使科学技术成为生产力,就必须使科学技术同经济效益结合起来。网络计划时间——成本优化技术,充分体现了它同经济的紧密联系,是网络计划管理技术中的一个重要环节。网络计划采用现行的(如循环计算法或引入线性规划迭代法) 计算方法进行时间——成本优化,计算工作量大而繁冗,以致较为简单的问题也须借助于电子计算机才能完成。所以,希望能寻求一种计算简单、准确易行的方法,能够在没有条件采用电算的情况下,也能解决时间——成本优化计
To make science and technology productive, we must combine science and technology with economic benefits. Network planning time-cost optimization technology fully reflects its close relationship with the economy and is an important part of network planning management technology. The network plan adopts the current (such as the cyclic calculation method or the introduction of the linear programming iteration method) calculation method for the time-cost optimization, the calculation workload is large and cumbersome, so that the simpler problem must also be accomplished by means of the electronic computer. Therefore, we hope to find a simple, accurate, and easy-to-calculate method that can solve the problem without using conditions.