The dilemma of urbanization and farmland conservation in China was firstly analyzed and then the necessity and limitations of incremental construction land quota were specified in this paper.

作者随之提出，新增建设用地指标在我国实际上扮演了类似发展权的角色。

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The purpose of the paper is to explore ways to favor the village migration in coal mining areas and to solve the problem of insufficient land quota for construction.

研究目的：在建设用地指标异常紧张的情况下，为顺利推进压煤村庄搬迁提供途径。

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