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1·This example returns the square root of a numeric literal.

此示例返回数值的平方根。

2·Note that numeric literals do not include a sign; a phrase like -1 is actually an expression composed of the operator - and the literal 1.

注意数值型的字面值不包括符号(译注：正负号)，像- 1实际上是个组合了一元运算符“-”和字面值1的表达式。

3·Note that numeric literals do not include a sign; a phrase like -1 is actually an expression composed of the unary operator '-' and the literal 1.

注意数值型的字面值不包括符号(译注：正负号)，像- 1实际上是个组合了一元运算符“-”和字面值1的表达式。

4·If the parameter is a numeric-based input parameter, then you would specify the literal value as is.

如果参数是基于数值的输入参数，那么按原样指定字面值。

5·The second production describes in regex-like fashion more specifically what an integer literal looks like: a contiguous sequence of one or more numeric digits.

第二个结果以类regex的方式更特定地描述了一个整数值看上去象什么：一个或多个数字的连续序列。

6·Hence the final result would be a node-set containing two value elements named — USPrice, where both hold a numeric value in the form of a string literal.

因此，最终结果应该是一个包含两个值元素named - USPrice的节点集，这两个元素都存有字符串参数形式的数值。

7·Information of area includes the information of space and the literal and numeric information, which are related by id, i. e. identifier or area.

领域信息包括领域的空间信息和文字数值信息，两者通过领域标识符id相联系。