The central access tower it communicates with may then have to hop from one channel to another-and check with all the other client devices using it to see if they can follow suit.

与它通信的中央信号塔可能会不得不从一个频道跳到另一个频道，并且检查所有其他使用中的客户端看是否都能随着调整。

youdao

If a channel start is attempted using a revoked certificate credential, the check of the local CRL copy will generate a hit and the connection will be refused.

如果一个通道企图使用一个已撤销的证书启动，对CRL的本地副本的检查将生成一个错误，这个连接将被拒绝。

youdao

I sometimes disable the Fibre Channel adapters by running pcmpath set adapter offline, define or check the WWNs manually, and then turn the adapter back on.

我有时会通过运行pcmpath set adapter offline禁用光纤通道适配器并手动定义或检查WWN，然后再重新开启适配器。

youdao

Such information is referred to broadly as a channel check.

WSJ: Insider Probe Focuses on Supply-Chain Data

Such channel-check information has become crucial to Apple traders, who have come to expect a weekly dose of information from channel checks about Apple's iPad and iPod businesses.

WSJ: Insider Probe Focuses on Supply-Chain Data

Of course, while we've seen this sort of setup before (as seen above, check out an awesomely 90s Sega Channel ad after the break) and recently from OnLive and Gaikai, cloud gaming has yet to catch on in a major way.

ENGADGET: Cable, IPTV providers reportedly testing cloud-based HD gaming for launch next year