托管类型不允许有友元。
若要修复此错误，请不要在托管类型内声明友元。
To fix this error, do not declare friends inside managed types.
要求：分别用成员函数和友元函数来求圆的面积和周长。
Requirements: member function respectively, and a friend function to find area and circumference of a circle.
友元函数用来访问类的非公有成员。友元函数不是类的成员函数。
A friend function is used for accessing the non-public members of a class.
Serializable Person类定义了一个它自己的友元，如清单1所示。
Consider a Serializable Person class that defines a friend of its own, as shown in Listing 1.
为了访问一个用户定义的类里的私有数据，你必须声明全局函数为友元函数，并且在类中定义。
But to be able to reach any private data within a user defined class you have to declare the global function as a friend within the definition of the class.
名为spacefriend的友元函数，它是space类的友元，它的参数是类对象，输出类对象的x变量的值。
A friend function named spacefriend, which is a friend of class space, and which takes the class object as an argument and prints the value of its variable x.
根据脚本，复杂类型Person必须有一个xsd：string类型名字的直接子元素，和一个Person类型的友元，并且不能有其它类型和属性。
According to the schema, the Person complex type must have the direct child elements name of XSD: string type and friend of Person type, and should not have any other types and attributes.
C#中的友元程序集（friendassembly）和非严格委托（relaxeddelegate）概念都保留了下来，不过curry委托则被推迟到下一个版本中。
The C# concept of friend assemblies made it in, as well as relaxed delegates. The ability to curry delegates has been pushed off to a later release.
应用有限元强度折减法，分析了南友路膨胀土滑坡规律，以及柔性支挡的处治效果。
The shear strength reduction method with FEM is applied to analyze the rule of Nanyou Road dilative soil landslide and the treating effect of flexible shoring.
应用有限元强度折减法，分析了南友路膨胀土滑坡规律，以及柔性支挡的处治效果。
The shear strength reduction method with FEM is applied to analyze the rule of Nanyou Road dilative soil landslide and the treating effect of flexible shoring.
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