德国抵押权证券化的基础是流通抵押权制度；而日本在证券化的过程中实质上仍是以抵押权的附随性为基础，辅以某些变通，形成抵押权附随性缓和理论。
The foundation of German mortgage securitization is circulation mortgage system ; and in Japan , the securitization rationale is mortgage supplementary theory , auxiliary by certain accommodations .
流通抵押权