有人投过IEEE的letters么？

有个问题想请教投过的大侠。
我想过几天投个IEEE的LETTER 试试，但是有个问题想请教一下。
我的文章中的有3个仿真结果图，我是把他们用LATEX都连接成一个整体的PDF文件投好呢，还是把图和文章主体分开成4个文件（1个PDF＋3个EPS）投好？
在该LETTER的information for author 有下面一段意思不太明白：
Each figure and table should have a caption that is intelligible without requiring reference to the text. Illustrations/tables may be worked into the text of a newly-submitted manuscript, or placed at the end of the manuscript.  (However, for the final submission, illustrations/tables must be submitted separately and not interwoven with the text, and captions should also be typed in a separate list and appended to the manuscript.)    In preparing your illustrations, note that in the printing process, most illustrations are reduced to single-column width to conserve space. This may result in as much as a 4:1 reduction from the original. Therefore, make sure that all words are in a type size that will reduce to a minimum of 9 points or 3/16 inch high in the printed version.  Sharp, laser-printed illustrations are acceptable; however, illustrations produced on dot-matrix printers should be redrawn. Only the major grid lines on graphs should be indicated.  
在上段中Illustrations指的是什么东东啊？（我的文章中没有TABLE）。

到paper版，会有人帮你解答的！

投稿的时候投一个pdf就可以了。
接收以后才会要latex和eps之类的东西的。