谁来帮我讲讲这句话的语法结构

谁来帮我讲讲这句话的语法结构
The process by which we store and retrieve information in our brains has been the focus of scientific research for many years.

我们大脑储存并检索信息的过程是许多年来科学研究的焦点.
主语The process by which we store and retrieve information in our brains
谓语 has been
宾语 the focus of scientific research
by which 定语从句,后面的we store and retrieve information in our brains修饰process（过程） store and retrieve information 【by】 the process

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