For example, to echo out every state that someone lived in, you can iterate over the addresses to do just that (see Listing 6).

例如，要回显某人居住过的每个州，可以通过迭代地址来实现(请参见清单6)。

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In the first part of Listing 2, we attempted to echo out to the console before the namespace definition, which results in a fatal error.

在清单2的第1部分中，我们尝试在名称空间定义之前回传到控制台，这导致产生一个致命错误。

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Using a non-transforming stylesheet—essentially a stylesheet that does nothing but echo out what it receives as input—is called an identity transformation.

使用不具转换功能的样式表 — 实际上指不执行任何操作但回转所接收的输入内容的样式表 — 称作 标识转换（identity transformation）。

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"We cannot be unaware of the fact that - particularly with the internet - there's this huge echo chamber out there, " he said.

BBC: Bill Clinton: Politics must change after Arizona attack

Figures from consulting firm Nielsen show how the baby boom echo is playing out.

FORBES: Companies, People, Ideas

Detailed in a message sent to testers this evening, there's also an update rolling out in the next 24 hours that upgrades video output to 1080p and exposes settings for the Echo like optical audio out, bitstreaming over HDMI or optical and diagnostics.

ENGADGET: Ceton releases Windows 8 drivers, Echo set-top box is getting Android inside for the holidays