以理论联系实践为基础，突出了电子设计的使用性。
The basis of theory with practice, highlighted the use of electronic design.
理论必须以实践为基础。
理论以实践为基础，又转过来为实践服务。
理论必须以实践为基础。以实践为基础。
众所周知，理论以实践为基础，反过来，又为实践服务。
It is known that theory is based on practice and in turn serves practice.
众所周知，理论以实践为基础，反过来，又为实践服务。
It is known that theory is based on practice and in turn serves practice.
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