You have a pre-defined variable named total_time for the wall-clock time of the whole data collection.

有一个预定义的变量 total_time，它代表整个数据收集过程的时钟时间。

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A collector that automates data collection for workbench issues is pre-installed with the workbench.

工作台预安装了一个收集器，它能够自动化与工作台问题有关的数据收集。

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But Twisted takes the style to a higher level and provides a huge collection of pre-built and reusable protocols, interfaces, and components.

但是，Twisted Matrix将这种风格提高到了一个更高的层次，它提供大量预先构建且可重用的协议、接口和组件。

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Her 2013 pre-fall collection, in stores in July, includes a tailored pantsuit in electric blue with a black-sleeved jacket.

WSJ: Tracy Reese, Rebecca Minkoff, Tibi, Milly, Nanette Lepore Hit Sweet Spot

On display are all kinds of artifacts from what has been described as the pre-eminent private collection of Asian Americana.

NPR: NYU Exhibits 'Yellow Peril' Collection

When completed the extended and refurbished building will double the space available for exhibitions, including displays of its renowned collection of Pre-Raphaelite works.

BBC: Art-lovers stoke gallery hopes