攀枝花钛矿资源选别技术进步与发展趋势 关键词：钛铁矿；选矿；微细粒级；技术进步 [gap=862]Key words : ilmentite ; beneficiation ; micro-size fraction ; technological progress
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micro-size fraction
微尺度分数
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Lucien Gambarota's micro-wind turbines are a fraction of the size of the traditional towers and need wind speeds of just 2 meters per second to generate relatively cheap, efficient electricity.
CNN: Lucien Gambarota: Alternative energy pioneer
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