Let's think about how we can classify single and double and triple bonds,.

我们来考虑一下如何划分单键、双键和三键。

youdao

Spu_mul handles floating point multiplication (single and double precision).

spu_mul处理浮点乘法(单精度和多精度)。

youdao

Within in the string, you can use as many single and double quotation marks as you like (see Listing 4).

在该字符串中，您可以使用任意多的单引号和双引号(参见清单4)。

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So let's think about how we can classify single and double and triple bonds, which is what we're really used to dealing with in terms of these sigma bonds and these pi bonds.

让我们想想怎么来分类单键双键,和三键，这在我们在考虑sigma键,和π键是很有用的。

麻省理工公开课 - 化学原理课程节选

And we find the same thing for these two atoms here, it's not actually a double bond, it's somewhere between a single bond and a double bond.

而且我们发现这两个原子的情况是一样的，它其实不是一个双键，而是介于单键与双键之间的。

麻省理工公开课 - 化学原理课程节选

So if I want to use a string as we'll call it which is a word or phrase generally, they always go between double quotes, David hence the quotes around David, and they are double quotes not single quotes intentionally.

当我们要表示单词啊，词组啊，句子啊等等这样的东西时,就会用到字符串，它们位于双引号之间，也就是这里双引号之间的，是双引号，不是单引号哦。

哈佛公开课 - 计算机科学课程节选

He had a single and double in three trips to the plate against the Mets.

WSJ: Lucas Duda homers in Mets' win over Braves

Buckyballs, as they became known colloquially, are football-shaped molecules made of 60 carbon atoms linked by single and double bonds.

ECONOMIST: The 2010 Nobel prizes

This is what we mean by single and double taxation of dividends: and the US is about the only place that has double taxation.

FORBES: Finally! A Sensible Idea About US Tax Policy