值用单引号或双引号括起来。
你可以用单引号或者双引号。
用单引号将文本值括起来。
文本中三行或更少的合并的引用语，用单引号。
Incorporate quotations of three lines or less into the text, within single quotation marks.
即键入列名引用列，用单引号括起文本，等等。
That is, reference columns by typing their names, enclose literal text in single quotation marks, and so on.
你可以选择用单引号或者双引号，看你处于什么地方。
You can choose single or double quotation marks according to the place you work.
字面值字符用单引号括住，而字面值字符串则用双引号括住。
The value cannot be changed. Literal characters are enclosed in single quotes, literal strings in double quotes.
如果该值同时包含分号和双引号字符，则该值可以用单引号括起来。
If the value contains both a semicolon and a double-quote character, the value can be enclosed in single quotes.
字符串用单引号限定，从而节省了PHP从字符串中搜索可替换的变量的时间。
Strings are delimited by single quotes instead of double quotes to avoid the performance hit of PHP searching for variables to interpolate within the strings.
用双引号代替expr属性中所用的单引号，然后将双引号(“)字符转义成”。
Replace the single quotes used for the expr attribute with double quotes, and then escape the double quote (") characters to ".
空字符串：没有字符的字符串，长度为0，用两个单引号表示。
A string with no characters and length 0, represented by two quotation marks.
字母字符串可以用撇号(单引号)或引号(双引号)括起来。
Alphabetic strings may be enclosed in apostrophes (single quotes) or quotation marks (double quotes).
在英国式的英语，单引号被用。
默认情况下，SGML要求所有的属性值用双引号(十进制ascii值34)或者单引号(十进制ascii值39)来分隔。
By default, SGML requires that all attribute values be delimited using either double quotation marks (ASCII decimal 34) or single quotation marks (ASCII decimal 39).
在任务定义中，用2个单引号包围字符串。
In the job definition, use two single quotation marks around strings.
在任务定义中，用2个单引号包围字符串。
In the job definition, use two single quotation marks around strings.
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