By default, the separator is an underscore character.
在默认情况下，分隔符是下划线字符。
Field names can contain only letters, Numbers, or the underscore character.
字段名称只能包含字母、数字或下划线字符。
In every XML tag name, the function replaces any underscore character (_) with a dash character (-).
对于每个xml标记名，该函数将其中的下划线(_)该为连字符(-)。
The name of a variable, its identifier, can be composed of letters, digits, and the underscore character.
变量名称，即它的标识符，可由字母、数字和下划线构成。
The class name can contain any combination of letters and Numbers, as well as the underscore character, but cannot begin with a number.
类名可以包含字母、数字和下划线字符的任何组合，但不能以数字打头。
Python variable name conventions are similar to PHP: You can only use letters, Numbers, and the underscore character (_) when creating a variable name.
Python的变量名称约定与php类似：您在创建变量名时只能使用字母、数字和下划线(_)。
You may include a "default" case at the end of a pattern match, either using the underscore wild card character or a meaningfully-named variable.
你可以在模式匹配的最后包含一个“default”默认case，可以使用下划线通配符，或者有含义的变量名。
W — a word character (a through z, a through z, 0 through 9, and underscore).
w——单字字符(a到z、a到z、0到9以及下划线)。
You can use an underscore (Scala's standard wild card character) as a placeholder to catch any type of exception (really, to match any case in a pattern matching expression).
你可以使用一个下划线(Scala的标准通配符)作为占位符来捕捉任意类型的异常(不骗你，它可以匹配模式匹配表达式的任何case)。
By default, the end-of-file string is an underscore (_); if that character is sent as a single input argument, everything after it is ignored.
缺省情况下，文件结束字符串是下划线(_)；如果将该字符作为单个输入参数来发送，则它之后的所有内容将被忽略。
If the $ character is not followed by a left brace, letter, or an underscore, the $ character remains unmolested in the text literal.
如果$字符后面不跟着一个左括号，字母或者一个下划线，$符号在文本字面值中就不会有麻烦。
By using the underscore (remember the wildcard character in Scala?), you effectively tell the Scala compiler that all of the members inside BigInteger should be brought into scope.
您可以使用下划线(还记得Scala中的通配符吧？)有效地告知scala编译器BigInteger内的所有成员都需要置入作用域。
Thoughtfulness regarding features and materials will underscore the sites temper and character, and well-adapted, functional facilities will augment the visitors experience.
建筑设计和建筑材料突出了那个地点的氛围和性格，并增强了游客的体验。
A word character is any letter, decimal digit, or punctuation connector such as an underscore.
任何字母、十进制的数字或标点符号连接器如下划线的单词字符。
The name of the function is print_lyrics. The rules for function names are the same as for variable names: letters, Numbers and underscore are legal, but the first character can't be a number.
函数的名字就是print_lyrics，函数的命名规则和变量命名规则基本差不多，都是字幕梳子或者下划线，但是不能用数字打头。
The name of the function is print_lyrics. The rules for function names are the same as for variable names: letters, Numbers and underscore are legal, but the first character can't be a number.
函数的名字就是print_lyrics，函数的命名规则和变量命名规则基本差不多，都是字幕梳子或者下划线，但是不能用数字打头。
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