A character can be defined as a unit of information that corresponds to an atomic unit in a written language.

可以将字符定义为一个信息单元，对应于书面语言的一个原子单元。

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Processing a text file often consists of sequentially reading a unit of information (typically either a character or a line) and doing something in response to the unit you've just read.

处理文本文件通常包括读取信息单元(通常叫做字符或行)，然后对刚读取的单元执行适当操作。

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The first step toward understanding neural nets is to abstract from the biological neuron, and to focus on its character as a threshold logic unit (TLU).

理解神经网络的第一步是从对抽象生物神经开始，并把重点放在 阈值逻辑单元（TLU）这一特征上。

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