自动断路器 automatic circuit breaker 自动电路交换，自动电路交换机 automatic circuit exchange 自动拆线装置 automatic clearing apparatus ..
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微波开关矩阵主要是实现自动测试系统与被测电路单元之间的信息交换，以及为被测单元提供必要的负载。
The microwave switching matrix is to exchange messages between ATS and the circuit units under test, and to provide necessary load for these units.
本文着重介绍市话局用户呼叫小交换机用户的全自动接续的各种接口电路方案。
This Paper introduces the interface circuits schemes of the PABX that realizes the local office subscribers to call the subscribers of PABX.
本文介绍电话局自动电话交换设备与机关企业用自动化小交换机间全自动化接续的接口电路。
The automatic connection interface circuits between the PABX and the automatic switch equipments of telephone office are presented in this paper.
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