Electrical couplings promote the passage of certain signals but prevent the passage of others, such as an alternating current coupling that excludes direct current.
电子耦合器(联接器)能够使某些信号通过而阻止另一些信号通过，如阻止直流电流通过的交流耦合器。
Electrical couplings promote the passage of certain signals but prevent the passage of others, such as an alternating current coupling that excludes direct current.
电子耦合器(联接器)能够使某些信号通过而阻止另一些信号通过，如阻止直流电流通过的交流耦合器。
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