The first one refers to the initial

The first one refers to the initial process of storing information that is perceived through our senses. That’s why is called sensory. It lasts for a very small period of time and it is being replaced constantly as our senses work continuously.

Results (English) 3:

第一个是指通过我们的感官感知的信息的初始过程。这就是为什么被称为感觉。它持续了一段很小的时间，它被不断地被替换为我们的感官工作不断。