The scanning agent performs the following tasks.

扫描代理执行以下任务。

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The initial example referred to an agent scanning an RSS feed, so the code in Listing 4 follows up on that idea.

开始的示例引用一个扫描 RSS feed 的代理，因此 清单 4 中的代码延续了这个思路。

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The distribution of elements at the sulfidation reaction product section of a sodium salt-modified desulfurization agent was analyzed by using the energy-spectrum scanning function of SEM.

利用SEM的能谱扫描功能，对钠盐调质脱硫剂硫化反应产物断面元素分布进行了分析。

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When a passenger steps forward to get on a flight, an agent could hold up the boarding pass and passport in front of their smart glasses, scanning barcodes on the two documents simultaneously.

BBC: Could Google Glass ease air travel?