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关注：1
2013-05-23 12:21
求翻译：3.建网时按照GSM规范，有900M和1800M两个频段，因此采用两种频段兼容的基站系统和移动台来扩大可用频段。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
3.建网时按照GSM规范，有900M和1800M两个频段，因此采用两种频段兼容的基站系统和移动台来扩大可用频段。
问题补充： |
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2013-05-23 12:21:38
(3) building a network in accordance with gsm specification, 900m and 1800m, two bands, so the two bands compatible with the base station and the mobile station to expand the available spectrum.
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
When 3. fishing nets according to the GSM standard, has 900M and the 1800M two frequency bands, therefore uses two kind of frequency band compatible base-station system and the traveling carriage expands the available frequency band.
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2013-05-23 12:26:38
3. when the network according to the GSM standard, and 900M two bands, two-band compatible base station and mobile station to expand the available frequency band.
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2013-05-23 12:28:18
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