现在表情符号对我们有很大的影响。

Now emojis have great influence on us.

youdao

语义项也许会出现在一系列的图表中，这样符号对程序就没有什么具体的意义了。

A semantic item may appear on any number of diagrams, so notation rarely has any concrete meaning to an application.

youdao

当您键入开括号或双引号时，Eclipse会自动提供配对的符号，并将光标置于符号对之内。

Also, when you type an open parenthesis or double quote, Eclipse will provide its partner automatically and place the cursor inside the pair.

youdao

Delta v is positive in this direction here, the work is negative. So work on the system is positive. Work done by the system is negative.

功是负的，总而言之,外界对系统做功的符号为正。

麻省理工公开课 - 热力学与动力学课程节选

So this plus plus is sort of shorthand notation for incrementation. So just add 1 to this variable's value, so now socks on feet is of course 1 and so next.

那么这个++符号是递增排序的,所以仅仅是对这个变量加一，现在袜子在脚上是一，那么下一个也是这样。

哈佛公开课 - 计算机科学课程节选

So, the system does work on the surroundings, hence the minus sign.

系统对环境做功，因此符号是负的。

麻省理工公开课 - 热力学与动力学课程节选