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1·The evaluation method represented in this thesis has been proved to be practical and realistic by a further case study.

本文在进一步的案例研究中证明：所提出的社会效益后评价方法是实用的、可行的。

2·I hope to be realistic and practical.

我希望现实一点。

3·It proves that this technology of situation representation can provide realistic decision environment for decision-makers and be used well in practical teaching and training.

实践证明，该态势表现技术可以为决策者提供一个身临其境的决策环境并在实际的教学与训练中得到了很好的应用。

4·Be practical about delivery and ensure that e-retailers set realistic customer expectations in terms of the likely delivery date.

根据可能的配送时间，具体进行配送并确保电子零售商达到现实顾客的期望。

5·The article analyses the difficulty and theory of realizing the on-line upgrade, develops a set of system that can be used repeatedly, with practical reference value and realistic signification.

分析了在线升级的困难及实现原理，提出了一套可重复利用的实现在线升级的系统，具有实际参考价值和现实意义。