Each neuron in the worm's brain is known, and is assigned a three letter name.

每个蛔虫脑内的神经元都是已知的，都被编成三个字母的名称。

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Each user name must be at least three, but not more than 10 alphanumeric characters and must begin with a letter.

每个用户名至少要包含3个但不多于10个字母数字字符，并且必须以字母为开头。

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She entrusted the visual identity to the graphic designer Liu Zhizhi, who has abbreviated the name to BNC, and chosen the three ingredients as symbols of each letter.

她让平面设计师刘治治设计这家店的vi (visualidentity视觉识别系统)，刘治治把店名缩写成了BNC，又选了三样东西代表每个字母。

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Other analysts have speculated that the company could buy up production businesses, even suggesting that Apple and ITV could settle their potential tug-of-war over the three-letter name by the simple expedient of the former buying the latter.

FORBES: Apple's iTV Cannot be Called iTV