双引号

• Make sure you type the double quotes
  确保键入了双引号。
• Operator must be a string not enclosed in double quotation marks
  运算符的第二个操作数必须是不带双引号(
• Array in the program . a string surrounded by double quotation marks
  无论其中有无空白，包含在双引号(
• Only if the name is enclosed in double quotation marks
  仅当将这些名称用双引号( " )括起来时，它们才可用作
• Matches initial double quotation marks
  匹配左双引号。
• File names containing spaces should be surrounded by quotation marks
  包含空格的文件名应用双引号( " )引起。
• Follow the closing double quotation mark with the literal type character
  在结尾的双引号后面紧接文本类型字符
• Field in the assembly . place the string in double quotation marks if
  包含空格，则将字符串放置在双引号( " )中。
• Each set of three double quotes is interpreted by the
  处理器将三个为一组的每组双引号( " " )解释为一个双引号字符。
• Double quotes in perl serve to interpret everything between them
  Perl中的双引号用于解释双引号之间的任何内容。