4 Mbit/s以上宽带接入用户比例达3/4
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| Format: | Article |
|---|---|
| Language: | zho |
| Published: |
Beijing Xintong Media Co., Ltd
2013-10-01
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| Series: | Dianxin kexue |
| Online Access: | http://www.telecomsci.com/zh/article/doi/没有doi的怎么填写/ |
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