... Digitally Carriers数字式载波 New Common Carriers新公用块载波 hemophiliac carriers血友病传递者 ...
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NCC New Common Carriers 新公用块载波
A series of amendments imposed mandatory interconnection, a new obligation for common carriers that would prove important in future.
一系列修正案要求各条线路强制连接，共同承运人的新职责在不久的将来证明会更加重要。
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