该文档建立在graphviz画图软件英文使用手册基础之上,作者理解后翻译成中文,具有较高的参考价值.-The document built on the graphviz drawing software based on the user manual in English, translated into English after the understanding of, and the higher reference value.

基于JAVA的OCR软件，能较好的识别英文字母和数字，对于汉字的识别需要更多的字库文档支持。-JAVA based OCR software