The factory plant covers twenty thousand square meter area. All the master equipments were imported from Germany, Italy, and Japan.

工厂占地面积两万平方米，工厂设备先进，大型设备主要从德国、意大利、日本进口。

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Estimates suggest that for every cubic meter of vent discharge, 350 milligrams of particulate organic material would be advected into the vent area.

据估计，每立方米排气口所排出的物质中，就有350毫克的有机颗粒物质被平流输送到排气口区域。

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The area for the two pilots was unbelievably small. It was just one meter wide by two-and-one-quarter meters long.

两名飞行员的活动区域令人难以置信的小，大约只有1米宽，2.25米长。

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Dr. Grokhovsky said the search was hampered by officials of Russia's Emergency Situations Ministry, which sealed off the area around an 8-meter-wide hole in the ice of Lake Chebarkul, near Chelyabinsk, where a chunk of the meteor was believed to have fallen.

WSJ: Russia Meteor Was Largest in More Than a Century

Light meter readings from volunteers have confirmed that the area already has some of the darkest skies in England.

BBC: Dark sky protection bid for Northumberland