independence and association meaning in English

独立性与关联性

Second , author points out this book had been exited many years ago , the paper analyses the difference on the historical picture book and substance of the recent picture book : the relationship of word and picture is not plus , but multiply , both build two reading - space for readers together : two reading - space are mutual independence and association
其次指出这类图书并不是近期才有的，历史上就曾出现过，通过分析历史上的插图书与近期出现的图文书，分析近期的图文书个案，从而总结出近期图文书的特点和实质：图文书中的图与文的关系不是相加，而是相乘，是为读者营造两个相互独立，又相互关联的阅读空间。