Due to the falling cost of international telephone calls and the rising levels of cross-border activity ,the traffic on international switchboards topped 100 billion minutes for the first time in 2000 . 相关知识点: 试题来源: 解析 由于国际电话的成本的下降和疆边活动上升, 2000年国际通信量第一...
英语翻译Due to the falling cost of international telephone calls and the rising levels of cross-border activity ,the traffic on international switchboards topped 100 billion minutes for the first time in 2000 .英语作业帮用户2016-11-22 举报 用这款APP,检查作业高效又准确!扫二维码下载作业帮 4亿+用户...
英语翻译Due to the falling cost of international telephone calls and the rising levels of cross-border activity ,the traffic on international switchboards topped 100 billion minutes for the first time in 2000 .
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Jajah slashes cost of international mobile calls.(Brief article)Akass, Clive
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Karikari and Gyimah-Brempong (1999) used the number of calls, rather than the duration of calls, in their estimates of the demand for international telephone calls between the US and African countries. They found evidence of call reciprocity and cost shifting in the number of calls. The own...
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