此外，确定非线性负载的规模和位置也是所有维护、故障排除和修理计划的重要组成部分之一。

Besides, confirming the scale of nonlinear load and locating it is also an important part of all maintenance, fault removal and repair schemes.

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在时间-费用关系为非线性的假设下，建立求网络计划最低成本日程的优化模型。

An optimization model to find the lowest budget schedule of network planning is established under the assumption that the time-cost relationship is nonlinear.

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首先根据实际需要建立车间生产计划的含需求约束的非线性规划模型，然后为求解方便通过引进约束将其转化成线性规划模型。

A nonlinear programming model of production planning with demand constraints is built up and then transformed into a linear programming model by adding constraints.

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