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Фото: Сергей Бобылев / РИА Новости
At the onset of the 20th century, electric cars powered by lead-acid batteries outnumbered gas-powered cars. The internal combustion engine ultimately won out, in part because those batteries had a range of just 30 miles. But Thomas Edison believed a nickel-iron battery could extend that range to as much as 100 miles, while also having a long life and recharging times of seven hours. An international team of scientists has revived Edison's concept of a nickel-iron battery and created their own version, according to a paper published in the journal Small.，推荐阅读whatsapp获取更多信息
Security features are built in, too. You can password-protect files, redact sensitive information, and add electronic signatures to contracts or forms. And when files get too large, the software can compress, merge, or split PDFs in just a few clicks.，推荐阅读手游获取更多信息
git clone https://github.com/paultendo/confusable-vision。wps对此有专业解读
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