Decision network planning as one of the network planning also meets the problem that the duration can't be confirmed accurately.

决策网络计划技术作为网络计划技术中的一种，也会遇到工期无法准确确定的问题。

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After a series of conditional experiments with the apparatus, the optimum experimental conditions of gas releasing, such as sample granularity, HCl concentration and reaction duration, are confirmed.

通过一系列条件试验，确定了在改进后装置下酸脱气过程中最佳的样品粒度、盐酸浓度、反应时间等条件。

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In a small observational study, CRT conferred significant clinical and ventricular reverse-remodeling benefits regardless of QRS duration among patients with TDI-confirmed dyssynchrony.

一项小型观察性研究中，对TDI证实为心室运动失同步的患者行crt，不论其QRS宽度如何，患者在临床症状和逆转心室重构方面均有显著好转。

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