Temporary keys use reference equality.
临时键使用引用相等性。
Classes have reference equality semantics.
类具有引用相等性语义。
The comparison is a reference equality check.
该比较是一项引用相等性检查。
By default, this is a reference equality of the values.
默认情况下，这是值的引用相等性。
By default, this is a reference equality of the values.
默认情况下，这是值的引用相等性。
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