Slack also recommends scheduling regular meetings to understand customers' concerns, and then responding with improvements to a product line or service to make it more valuable.
Slack还建议定期会晤，以了解客户的关注，然后作出反应，以改善生产线或服务，使之更有价值。
Ensure that the drilling line is in tension at all times. Slack in the drilling line can not be tolerated.
要确保大绳一直处于拉紧状态，不允许把大绳缠松出间隙。
Then we proposed a stochastic expected value model to improve the on-line performance of timetable and reduce total travel time on the basis of considering interactions among various slack times.
首先，给出了冗余时间的含义与分类，探讨了冗余时间对列车运行图动态性能的影响过程，并分析了多种冗余时间之间的关系。
Then we proposed a stochastic expected value model to improve the on-line performance of timetable and reduce total travel time on the basis of considering interactions among various slack times.
首先，给出了冗余时间的含义与分类，探讨了冗余时间对列车运行图动态性能的影响过程，并分析了多种冗余时间之间的关系。
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