实际上，抽象类在具体实现时提供了更好的灵活性。

In fact, an abstract class gives you more flexibility when it comes to evolution.

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在具体实现过程中，充分利用了面向对象技术与编译技术相结合的思想。

The thought of combination of object oriented technique and complier construction technique is deeply used in the procedure of implementing.

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在具体实现中，提出了单缓冲、双通道总线、两级树状网络、通信线程细化等技术手段。

Ideas and implementation of single buffer, dual channel bus and fine grain communication are also proposed.

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