什么是匿名类型？
What's the difference between a compound type and an anonymous type?
一种复合型和匿名类型之间的区别是什么？
GetHashCode for an anonymous type is based on the key properties of the type.
将不同属性指定为键属性的匿名类型实例不是同一类型的实例。
This query could have been written without projecting to the first anonymous type.
此查询在编写时本来可以不投影到第一个匿名类型。
This query could have been written without projecting to the first anonymous type.
此查询在编写时本来可以不投影到第一个匿名类型。
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