【简答题】请将以下国际法专业文献中的术语与段落翻译为中文。 As a general rule．Swiss law applies the so一called lex situs principle in determining choice一of—law in cases where the ownership of tangible．movable propertys disputed．Under the lex situs rule，a forum court must apply the substantive law of the place where the tangible，movable property was physically located at the time of its sale．