a literal interpretation字面解释
Historical-literal Interpretation历史与内文释义法
There are currently four types of interpretation which are literal interpretation, equivalent interpretation, function restricted interpretation and differentiation interpretation with reference to the interpretation of the claims.
目前在世界范围内的国内外判例研究中,对权利要求书的解释存在字面解释、等同解释、“手段+功能”解释和区别解释四种情况。
参考来源 - 专利权利要求的解释