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Though much research exists on adolescents and screen use, this is considered as the first tool to measure how addicted children are to screen media.

尽管已经有过很多关于青少年和电子屏使用的研究了，这个方法还是被视为第一个用来衡量孩子对屏幕媒介上瘾程度的工具。

youdao

The first tool had several drawbacks, such as using a staggered start time for the General Agents.

第一个工具有几个缺点，例如为普通代理使用的是交叉启动时间。

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Several people are credited with being the first to use microfinance as a tool for social improvement.

VOA: special.2010.06.16

This was done by Shimomura that was kind of the first step in this process of having it become such a useful tool.

这个工作是由Shimomura完成的,这是它成为一个有用的,工具的过程中的第一步。

麻省理工公开课 - 化学原理课程节选

Here is the first part of the poem: Hog Butcher for the World, Tool Maker, Stacker of Wheat, Player with Railroads and the Nation's Freight Handler;

VOA: special.2011.07.17

So, the first major workflow tool we targeted was the call sheet.

FORBES: Doddle Of The Dead - Putting The App In Zombie Apocalypse, Part 2

The Street View tool was first launched in the US in May 2007 and gave views of five cities.

BBC: Google Street View gets go ahead

Thanks Steve Jobs for providing the tool that financed his dream and gave me the tool to write my first one-person show.

FORBES: Why Everything Apple Equals Love