VBNS

1. very high Bandwidth Network Service  --  超寬帶網(wǎng)絡(luò)服務(wù)

2. Very high speed Backbone Network Service  --  甚高速骨干網(wǎng)服務(wù)

3. very high-performance Backbone Network Service  --  超高性能基干網(wǎng)服務(wù)

• 通信詞典解釋