自动计费呼叫—一种对公用电话呼叫进行计费的方法。1982年改为呼叫卡服务。
Automatic bill Calling - a method of billing for payphone calls. Changed in 1982 to Calling Card service.
电信公司过去曾经使用纸带来对长途呼叫进行AMA(自动信息计费)计费，但是现在这种记录方式已经被磁带或者是其他的电子媒介所替代。
Carriers used to use a lot of paper tape for AMA (Automated Message Accounting) purposes in recording long distance calls, but that's all been replaced by magnetic tape and other electronic media.
电信公司过去曾经使用纸带来对长途呼叫进行AMA(自动信息计费)计费，但是现在这种记录方式已经被磁带或者是其他的电子媒介所替代。
Carriers used to use a lot of paper tape for AMA (Automated Message Accounting) purposes in recording long distance calls, but that's all been replaced by magnetic tape and other electronic media.
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