Trace nodes are used to provide useful output of what is propagated from the FileInput node.

跟踪节点用于提供从FileInput节点传播的内容的有用输出。

youdao

A trace node is used to provide useful output of what is propagated from the FileInput node.

跟踪节点用于提供从FileInput节点传播的内容的有用输出。

youdao

When catching exceptions, then, be certain you get all of them, be precise in how you do so, and use the information available in your chosen language to synthesize useful output.

于是，在捕获异常时，确信获取了全部异常且其处理方式是精确的，并使用您所选择的语言中的可用信息合成出有用的输出。

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As I heard about marginally useful features such as HDMI output and a complicated wireless file-sharing implementation, my worries that the company was headed down the wrong path were confirmed.

ENGADGET: Editorial: Dear RIM, I'm your customer and I don't wear a suit

It was an okay device, when push came to shove, with useful features like a full-size USB port, 1080p output and pen support -- a rarity on Android tablets.

ENGADGET

Forte features a colour OLED (Organic LED) display to indicate input and output signal levels, mic preamp gain and other useful information, with stylish motion graphics giving you detailed visual information.

ENGADGET: Focusrite launches Forte, 24-bit / 192kHz portable audio interface (video)