In fact, you can look at photoshop or something, and you can find many by yourself. If it is in PICT format, it needs 300 pixels.
When preparing the work, our final typesetting is that the minimum line spacing of the full text (including pictures and words) is 0.1mm. If the software you use can't change your line spacing, don't typeset with minimum line spacing.
Special electronic photos should be stored in corresponding storage media (media that can only be opened under suitable operating environment). Note: Very thin lines and dotted lines will appear in the final publication.