The following program illustrates how you can send and receive objects.
下面的程序向您说明怎样发送和接收对象。
Signals are the efficient and flexible glue that tie the objects in your program together.
信号是一种有效和灵活的“粘合剂”，它们把程序中的对象“粘合”在一起。
The confusion exists with objects. Say I use a date, then this program.
混淆来自与对象的使用，比如我用到日期对象，下面是程序。
A program may create many objects of the same class.
程序可能会建立很多相同类别的物件。
A program may create many objects of the same class.
程序可能会建立很多相同类别的物件。
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