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1·Next time, we'll delve into tr.

下一次，我们将深入研究tr。

2·Listing 5. What has tr done?

清单5 . tr进行了哪些工作？

3·TR: Test Representative (or member)

TR：测试代表（或成员）

4·And that's about all tr can do.

这就是所有tr所能够做的。

5·TR: How can we fix the mess we are in?

TR： 我们怎样才能摆脱这种混乱的局面呢？

6·Add adds new TCP TR policies to the system.

add在系统中添加新的TCP TR策略。

7·Listing 11 shows how to use tr to translate Spaces to tabs.

清单11展示如何使用tr将空格转换为制表符。

8·Show displays all existing TCP TR policies defined on the system.

show显示在系统上定义的所有现有TCP TR策略。

9·Just a handful are currently slower, such as tr, gsub, and unpack.

仅仅是一部分性能较慢，例如tr、gsub和unpack。

10·Optimize Tr by reducing the amount of information sent on the network.

通过减少网络上发送的信息量优化Tr。