This method is restricted because of representation and localization of the core material.

鉴于取心资料的代表性及局限性，也指出了此方法的局限性。

youdao

This method is restricted because of representation and localization of the core material.

鉴于取心资料的代表性及局限性，也指出了此方法的局限性。

youdao