不带反斜杠的第一个后引号终止命令替换。

The first backquote not preceded by a backslash terminates the command substitution.

youdao

因此不要在命令中输入反斜杠。

Do not enter the backslash as not part of the command.

youdao

输入命令时切勿使用反斜杠。

When entering the command, do not use the backslash.

youdao

So just as we had to escape things with backslashes in an awkward way, same deal with percent in this context.

所以就像我们采用笨拙的方式来用反斜杠来避免一些东西,在这个背景下对百分号做相同的处理。

哈佛公开课 - 计算机科学课程节选

Right, so there's that special sentinel value that's back slash zero, which we'll start to see more explicitly now.

对的，这里有一个特殊的值“反斜杠0“,我们等下会更了解它。

哈佛公开课 - 计算机科学课程节选

I could have done this in another way but I am going to just be extra deliberate so I make sure that this copy ends with back slash zero and voila, now, I have a copy.

我可以用另外一种方式来处理,我确保这个拷贝由反斜杠0结尾,那样，现在我得到了一个拷贝。

哈佛公开课 - 计算机科学课程节选