called by reference的意思|示意

Use Visual Studio to create a new Windows-based application called CountryApp by selecting File | new | project (add to the existing solution). Add to the project the reference to CountryList.dll.

使用Visual Studio选择文件|新建|项目(添加到现有的解决方案中)创建新的Windows应用程序，并为项目添加引用CountryList . dll。

A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).

一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。

The copy constructor is called because you call by value not by reference.

复制构造函数是因为你呼叫的价值不是由参考。

This means that when you define the component called "Title", you need to reference it by the type "Title", even though it is a simple type defined by the fact that it is a string.

这意味着当您定义名为“Title”的组件时，即使它是字符串这一事实决定了它是一个简单类型，您也需要通过类型“Title”引用它。

If an object created by a thread needs to do allocation internally, you must pass a reference to the thread itself to the object so that the allocate methods can be called when needed.

如果线程创建的对象需要在内部执行分配，您必须将对线程本身的引用传递给对象以便在需要时能够调用allocate方法。

This allows called methods to modify the object to which the reference refers because the reference itself is being passed by reference.

这允许被调用的方法修改该引用所引用的对象，因为引用本身是按引用来传递的。