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I always thought that nobody can copy text from pdf without automatic wraps, util I found that ABBYY can produce pdfs which I can copy text from without automatic wraps.
How can I make pdf like that with latex?

Most of the time it works very well but sometimes when I insert some pictures the bookmark is aberrant. So I have to try new way to insert pictures often.

I don't understand what you mean by »the bookmark is aberrant« can you elaborate on this. Best thing would be if you could give a that shows ...

Most of the time it works very well but sometimes when I insert some pictures the bookmark is aberrant. So I have to try new way to insert pictures often.

I don't understand what you mean by »the bookmark is aberrant« can you elaborate on this. Best thing would be if you could give a that shows ...

Anyone can help me?

I want to define a new command to show a new section without section name being shown in the document but can be shown in the PDF bookmark.

I have define one. Most of the time it works very well but sometimes when I insert some pictures the bookmark is aberrant. So I have to try new way to insert ...

I found another way.

Replace the option "htb" with "H" of the first picture.

Only the frist two pictures is too close.

The space of others pictures is OK.

It is unexpected that the code works very well even after you remove \begin{figure} \end{figure}.

but the space between two pictures is to narrow, I need to add \vskip 1\baselineskip to make it wider.

And I still want to know what happened in my code.

@Johannes_B
I have remove the Chinese signs from the .tex file, can you help me?

It's right to give both height and width to a picture. I'm sure about this. ;)

Giving height and width limits the picture in a squarenes and "keep the aspect ratio".

If I cannot give height and width, the keepaspectratio option is useless!

the keepaspectratio option gives users the power to ...

Here is a minimal_example. You may have never see "ctexart" class, it's for Chinese users.

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Thank you for your reply.