... segment attributes cannot change 区、段属性不能更换 expression expected 预期表达式 operator expected 预期操作数 ...
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Constant expression expected 要求常量表达式
String expression expected 缺字符串表达式 ; 应该用字符串表达式
Integer expression expected 缺整型表达式 ; 将整型表达式写成了其他类型
Boolean expression expected 缺布尔表达式 ; 布尔表达式存在错误
Ordinal expression expected 缺有序表达式
Character expression expected 缺字符表达式
Integer or real expression expected 缺整型或实型表达式 ; 应该用整型或实型表达式
Color expression expected 需要颜色表达式
In the case of this example, you only have one parameter expected - the column expression - which will be one string.
在本例中，仅有一个参数(列表达式)，它将是一个字符串。
A second way is thinking about the situation in which someone is making an expression, judging if it’s the sort where a smile would be expected.
第二种方法，人们会通过面部表情变化时，周围的情况，来判断对方微笑与否。
In addition to the expected data structure manipulation support, SDOs also provide the ability to set and retrieve the contents of an SDO based on an XPath-like expression, including queries.
除了预期的数据源操作支持之外，SDO还提供了基于类似XPath的表达式(包括查询)设置和检索s DO内容的能力。
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