Based on the stability analysis of key-block with large structure, the feasibility of gob-side entry retaining has been demonstrated.

通过对大结构关键块稳定性分析，论证了综放沿空留巷的可行性。

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The research result provides a theoretical basis and some useful experience for the gob-side entry retaining work of large mining-height working faces.

研究成果为较大采高工作面沿空留巷技术提供了理论依据和借鉴经验。

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With theory analysis, experiment research and spot test, this paper takes the lead in establishing technology system of gob-side entry retaining with large section or small one.

通过理论分析、实验研究和现场试验，本文率先在国内初步建立了由大断面、小断面沿空留巷组成的综放沿空留巷技术体系。

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However, by retaining the entry cost of the client, Funcom have maintained both an initial payoff from each player, which is good, and a significant speedbump to entry by curious players, which is not, in particular when The Secret World has a user number problem.

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