| 1. | It is just a matter of specifying the expression grammar
它只是指定了表达式语法而已。 |
| 2. | The expression must be a valid expression that uses the ssis expression grammar syntax
表达式必须是使用ssis表达式语法的有效表达式。 |
| 3. | The expression evaluator parses expressions and determines whether expressions adhere to the rules of the expression grammar
表达式计算器分析表达式并确定表达式是否遵循表达式语法规则。 |
| 4. | Expressions include three different elements : the expression grammar , the expression evaluator , and the expression builder
表达式包含三种不同元素：表达式语法、表达式计算器和表达式生成器。 |
| 5. | The expression can include the variables , literals , and any operators and functions that the ssis expression grammar supports
表达式可以包含ssis表达式语法支持的变量、文字以及任何运算符和函数。 |
| 6. | The expression grammar defines expression syntax and the operators , functions , and data types available for use in expressions
表达式语法定义表达式中所用的表达式语法和运算符、函数以及数据类型。 |
| 7. | Column . use custom formulas and functions in addition to the functions and operators that the integration services expression grammar provides
除integration services表达式语法提供的函数和运算符之外，还可使用自定义公式和函数。 |
| 8. | Quantifiers can be used within the regular expressions of the spark tokenizer , and can be simulated by recursion in parse expression grammars
计量符可以在spark记号赋予器（ tokenizer ）的正则表达式中使用，并可以用解析表达式语法中的递归来进行模拟。 |
| 9. | The ssis expression grammar provides a complete set of operators and functions for implementing complex expressions used for evaluation , initialization , or assignment
Ssis表达式语法提供了一整套运算符和函数，可以用于实现计算、初始化或赋值所用的复杂表达式。 |
| 10. | This operator is not otherwise supported by the integration services expression grammar and can only be used by the initialization and assignment expression types in the for loop container
此运算符在其他方面不为integration services表达式语法所支持，只能供for循环容器中的初始化和赋值表达式类型使用。 |
