Comparative study on legal system of salvage object Comparative study on legal system of financial supervision Comparative study on the system of evidence 并列题名:Comparative study on legal system of financial supervision Comparative study on regulatory systems of foreign aid Comparative study on the legal system of securities market regulation Comparative study on legal regulation to parallel imports Comparative study on legal systems of rights and interests of the elderly Comparative study on the legal issues of asset securitization Comparative study on legislation of food labelling