程序包的命名不应该有任何特殊的字符。

The package should be named without any special characters.

youdao

如果某部分中有一个破折号或者一个特殊的字符，那这个词就有可能太长。

If a section has a dash or special character in it, the word is probably too long.

youdao

这意味着每个人都使用相同的字符。

This means that everyone used the same characters.

youdao

So, when in doubt, if you're having some weird character issue, odds are you need to escape it in some way.

如果你有拿不准的字符,可能就要用到转义字符了。

哈佛公开课 - 计算机科学课程节选

f truth is the recognition of the systematic character of a certain kind of error, then it would be fully dependent on the prior existence of this error.

如果真理是,对一种错误的系统化字符的认可，那么它会完全依赖于这个错误的先前存在。

耶鲁公开课 - 文学理论导论课程节选

C So here I'm declaring a variable called c, and I'm pretty much translating the formula from the slide using the characters on my keyboard to a floating point value.

这里我声明了一个变量，然后我把那个幻灯片上的公式,用键盘上的字符翻译成了,浮点数值。

哈佛公开课 - 计算机科学课程节选