To find books in the Library use the OPAC (Online Public Access Catalog).

使用联机公共检索目录来寻找图书。

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For this book, would you please consult the OPAC first.

对这一本书，您最好先查一下目录。

youdao

You can find what you need easily if you search in the OPAC.

如果您在联机目录中查找的话，您会很容易地找到您要的资料。

youdao

You can find what you need easily if you search in the OPAC.

如果您在联机目录中查找的话，您会很容易地找到您要的资料。

youdao