本文主要采用历史分析方法和比较分析方法，对破产免责的理论、立法例、条件和效力进行了分析。
This Article discussed the theory, legislation models, condition and force of bankruptcy relief through historic analysis method and comparative analysis method.
结合中国实际，深入研究我国破产法的域外效力问题，具有重要的理论与实践意义。
Researches on the extraterritorial effect of insolvency combined with Chinese situation are valuable to both theory and practice.
破产域外效力的最终实现必须依赖于外国法院的承认与执行。
The final realization of the extraterritorial effect of bankruptcy must rely on the admission and execution of foreign courts.
债权让与对其他第三人的效力，主要涉及重复让与以及受让人与破产、扣押债权人之间的优先权问题。
As to the validity to the third party, it mainly concerns the problem of double assignment and the priority right of the assignee and the other creditors.
预告登记的效力不足，应增加顺位保证和破产保护方面的内容；
The weak effectiveness of the registration notice should be improved by adding items of guarantee and bankruptcy protection;
预告登记的效力不足，应增加顺位保证和破产保护方面的内容；
The weak effectiveness of the registration notice should be improved by adding items of guarantee and bankruptcy protection;
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