Write their full names, three-letter code and one letter code.

请写下它们的全名、三字码与单字码。

youdao

The type of organization is identified by a three letter code called a 'top level domain name.

组织的类型是通过三个字母的代码(被称作顶级域名)来定义的。

youdao

For primitive types, the representation USES a single letter code for each type (such as' I 'for an int and' Z 'for a Boolean).

原语类型的表示法为，各类型使用一个单独的字母(如‘i’表示int、‘Z’表示布尔型)。

youdao

Because what you don't see in this file is any code a that actually says put a letter of the alphabet at the top left hand corner of the screen and then put the next character to the right in other words, I'm taking for granted at this moment in time that my computer knows how to print something to the screen.

就是这些你在本文件中看不到的一些代码,实现了将首字母,放在屏幕的左上角,然后把其他字母加在其右边，我想当然地认为,我的电脑知道如何打印相应信息到屏幕上。

哈佛公开课 - 计算机科学课程节选

The culprit was apparently a mix-up between the similarly pronounced cities and the three-letter code used by airlines to distinguish airports.

CNN: Travel nightmare: couple flown to wrong continent

Unlike in the Volker case, she examines the entire 6 billion-letter DNA code.

FORBES: Sequencing A Child's DNA -- And Convincing An Insurance Company To Pay

The three-letter airport code on the tickets issued to the couple by the airline read DAC, the code for the airport in Dhaka.

CNN: Travel nightmare: couple flown to wrong continent