本文回顾了元知识研究的扩展范围，揭示了科学主张和观点的推断，优先权、研究工具、研究策略等背后的规律。

We review the expanding scope of metaknowledge research, which uncovers regularities in scientific claims and infers the beliefs, preferences, research tools, and strategies behind those regularities.

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在担保物权制度中，以担保方式的不同可分为抵押权、留置权、优先权、质权等。

Real rights of security can be divided into mortgage, pledge, lien, priority, etc.

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本文分析了统一登记制度、物权担保范围的变化、法定优先权等内容对银行贷中控制环节产生的影响。

This text analyzed register system, real right guarantee the variety of the scope, legal priority etc. and put out influence in the bank loan.

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