problem time

The deterministic problem of minimizing total weighted deviations of job completion times from a common due date on a single machine ( abbreviated to TWD problem) is a typical scheduling model in Just-In-Time production environment. The general TWD problem is NP-hard.

完工时间与交货期偏差加权和最小化单机调度（简记TWD）问题是Just-In-Time生产环境下典型的调度模型，是NP-hard问题。

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We'll run into that problem time and again.

这个问题我们还会时不时地碰到。

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We need time to inform ourselves thoroughly of the problem.

我们需要时间对这个问题有个透彻的了解。

《牛津高阶英汉双解词典》

Under the assumption that the capacities of non-bottleneck machines are infinite, operations on the non-bottleneck machines are aggregated into a time delay. The job shop problem is then reduced into a single-machine scheduling problem with release time and delivery time constraints.

假设非瓶颈机加工能力无限大，将非瓶颈机上的工序集结成一个时间迟延环节，原问题则简化为一个带到达时间和传递时间约束的单机调度问题。

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Let's attack one problem at a time.

咱们一次全力处理一个问题。

《牛津高阶英汉双解词典》

This will be a problem for some time to come.

这将是未来一段时期里的一个问题。

《牛津高阶英汉双解词典》

The problem is getting it all done in the time available.

问题是要在现有的时间内把它全部完成。

《牛津高阶英汉双解词典》

The existence of time optimal controls is proved by an new method and new computation way of time optimal controls is offered. The deep relation between Meyer problem and time optimal control problem is also presented.

这不仅给出时间最优控制存在性的新证明，同时为时间最优控制的计算提供了一个新途径，并揭示了时间最优控制问题和Meyer问题的深刻关系。

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Urban information change is an important problem relation to our country long time development, it's importance nothing less than water resource problem, food provision problem and soil employ problem.

城市信息化是关系到国家长远发展的重大问题，其重要性决不亚于水资源问题、粮食问题和土地问题。

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This problem is not only the prominent economic problem of coal industry and the prominent stable problem of society coal industry, but also the realistic problem of optimizing coal industrial organization and the safety strategy problem of my country's long time development.

这既是突出的煤炭产业经济问题，又是突出的社会稳定问题；既是现实的煤炭产业组织优化问题，又是国家长远发展的能源供给安全战略问题。

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The problem is to get it all done in the time available.

问题是要在现有的时间内把它全部完成。

《牛津高阶英汉双解词典》