span of immediate memory meaning in English

瞬时记忆广度

Conventional wisdom has it that working memory is limited to seven units of information , plus or minus two units : " everybody knows that there is a finite span of immediate memory and that for a lot of different kinds of test materials this span is about seven items in length "
通常工作记忆只能储存有限的7 2个单元的信息: “每个人都知道瞬间记忆的空间是有限的，通过对大量不同类型数据的实验，证明这个空间大概是7个单元。 ”