A channel is a 32-bit area which can be written to or read from (but not both — they are unidirectional) using special instructions.

信道是一个32位的区域，通过使用特殊指令可被重写或读取(但不可能二者兼备——它们是无方向的)。

youdao

Any longer and the channel risks faulting and after many hours trying to sort this out, trying to recover from a fail, you're better off trying to write instructions on how to herd cats.

任何更长的时间和渠道风险断层和几个小时后，试图解决这个问题，试图从失败中恢复过来，你最好尝试写说明如何一群猫。

youdao

We picked up a cheap GPS device made for the Palm III and used the instructions from Walter at radiohound.com to remove the 12 channel GPS board from the unit.

ENGADGET: How-To: Add your own external GPS antenna