XPath based on the character-string expressions can locate a position of XML data with high efficiency,offering elastic choices of documents’ components and discussing the query of XML data through XPath.
基于字符串表达式的XPath路径语言可以非常高效的定位到XML数据中的指定位置,从而灵活的选择文档的组成成份。
It has many excellent characteristics such as having the test problems well distributed constituting a test paper, most problems having complete answer and relative review contents, being able to check the answers of symbol expressions, as well as being open.
具有组卷试题分布均匀、大多数题目均有完整解答和相关的复习内容、可以评判符号表达式答案、开放性和界面友好性等特点。
Returns a character expression after converting uppercase character data to lowercase
将大写字符数据转换成小写后返回字符表达式
Returns a character expression with lowercase character data converted to uppercase
返回将小写字符数据转换成大写后的字符表达式
Returns the starting position of the specified expression in a character string
返回字符串中指定表达式的起始位置
A vertical arrangement of characters or other expressions.
字符或其它表达式的一种纵向排列。
The string '%1' is not a valid regular expression.
字符串“%1”不是有效的正则表达式。
The expression contains one or more characters that are not valid.
表达式包含一个或多个无效字符。
How do I compare strings using regular expressions?
我怎样使用正则表达式比较字符串？
English Expressions of Mathematical Formulas, Equations, Numbers, and Symbols and Signs;
英语数学公式、数字、符号的表达法
Returns the number of characters, rather than the number of bytes, of the given string expression, excluding trailing blanks
返回给定字符串表达式的字符数而非字节数，排除尾随空格
is the condition in the form of a number, expression, or text that defines which cells will be counted
以数字、表达式、字符串形式给出的，计数单元格必需符合的条件。
Constants which define the format of the character representation of a real number.
这些常量定义了实数以字符表达时的格式。
They are intended for character sets where a character does not fit into a single byte.
它们由不能用单个字节表达字符的字符集利用。
A Study on the Division of Meaning of Original Character of Yi Sheng Zi that Expresses the Meaning of Phonetic Sign;
表达声符字本义的亦声字及声符字意义的分化
is the criteria in the form of a number, expression, or text that defines which cells will be counted
以数字、表达式、文本形式给出的，被计数单元格需符合的条件．
absolute value of a symbolic expression
符号表达式的绝对值
A system of characters or symbols used to express or convey thought and meaning.
字符用字符表达或传递思想和意义的体系
Returns or sets the string expression containing a descriptive string associated with an object
返回或设置包含一个与对象相关联的说明性字符串的字符串表达式
Returns a value of a string expression evaluated over another specified cube.
返回在另外一个指定的多维数据集上对字符串表达式求得的值。