discriminator

歧视他人的人,如:

A person who discriminates, as:

区分不同事物的检验、变量等；判别器。

A test or variable, etc. that serves to distinguish between different things.

将信号的某种特性转换为与输入信号和标准值之差成比例的幅度的电子器件。

Any of several electronic devices that convert some property of a signal into an amplitude whose value is proportional to the difference between the value of the input signal and that of a standard.

卖方产品中与竞争者产品不同且对特定买家重要的特征。

A feature of the seller's offering that differs from a competitor's offering and is important to the buyer in question.