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My son wans to join the army when he leaves school. He's near…

我儿子希望毕业后去参军，他…

youdao

To be sure, Ethernet has some serious competitors in both MANs and WANs.

可以肯定地说，在城域网和广域网方面，以太网都有厉害的竞争者。

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There are 29 LANs, two WANs and, incredibly, just two support staffers, one of whom is Larry Burwell, the director of computer technology services.

CNN: Schools have high hopes for network computers

WANs that big firms use for their private intranets.

ECONOMIST: After the PC

For a more dramatic example, consider the following: An investment in Riverbed Technology (RVBD), a developer of software to accelerate application performance and data transmission speeds on WANs, would have generated a 6x return, versus an investment in Clearwire (CLWR), a provider of portable high-speed wireless broadband services, which would have generated a 0.3x return.

FORBES: Software Eating The World: Facts & Figures