这只是一个例子，为了下一个更多样化的挑战你应该看看下一个介绍环节。
This is a sample, but you should look at the next section for a much wider variety of challenges.
您可以查看下一节将要介绍的日志，其中就问题所在提供了一些线索。
You look at the logs in the next section, which offer some clues as to where the problem lies.
SPU有一个读通道来从邮箱接收单个数据字，有两个写通道来发送数据字(更详细的介绍请参看下文)。
The SPU has a read channel for receiving a single data word from the mailbox and two write channels for sending data words (more on this below).
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