The researchers found that all bar one of the classrooms they studied had equipment arranged in such a way as to exacerbate this problem, with projectors on the ceiling and screens mounted vertically.

研究者们发现除了一间教室外，所有教室都把投影仪挂于天花板上，屏幕垂直安装，这样的设置使问题更加严重。

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On one particular mission in early January, we were tasked to transport 140 troops and all their associated equipment.

在1月初的一次特别行动中，我们奉命运输140名士兵以及他们所有的相关装备。

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Discard all personal protective equipment after you use it one time. Do not try to clean it. Discard the equipment in a plastic disposable bag.

在使用一次后报废所有个人防护用品。不要试图清洁。用一次性塑料袋装报废品。

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There are small and effective groups like this all over the country -- like one in Minnesota that collects top-brand hockey equipment for military children, or the barbecue lovers in Ohio that travel the state providing meals for military family picnics, deployment and welcome-home ceremonies, or the accountants across the country that dedicate their talents every spring to help with tax returns.

WHITEHOUSE: First Lady Michelle Obama and Dr. Jill Biden Address National Governors Association | The White House

But defense experts say it would take one or two years to get all 160, 000 American troops and their equipment out of Iraq in an orderly and safe way.

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