Occurring sequentially from top to bottom, within each iteration, r, d, c, and t represent some of the standard disciplines executed in each iteration (Requirements, Design, Code, and Test).

在每个迭代中从上到下顺序发生的R、D、c和t表示在每次迭代中执行的一些标准规程(需求、设计、代码和测试)。

youdao

The roles down the side are Requirements (R), Design (D), Code (C), and Test (T).

在一边的任务是需求（Requirements，R）、设计（Design，D）、编码（Code，C）和测试（Test，T）。

youdao

At the height of the d. o. t-c. o. m bubble, we solicited online donations at $5 a piece.

在网络泡沫达到至高点时，我们曾在网上以一次5美元为单位要求获得捐款。

youdao

This is a new company record. If it wasn't a waste of a fine enlisted man, I'd recommend you for O.C.S.,Private Gump.

VOA: standard.other

which is one of the few museums in D.C. that actually isn't free because it's not a national museum.

那是特区里少有的几个收费博物馆之一，因为它不是国家博物馆。

大都会艺术博物馆 - SpeakingMax英语口语达人

We can't go C, D, D-sharp, F.

不能是C,D,升D,F

耶鲁公开课 - 聆听音乐课程节选

And she is reading the - an alphabet that was especially arranged so that the first letter she says - it doesn't go A, B, C, D, E.

NPR: A Beautiful Movie: 'The Diving Bell and the Butterfly'