A new concept of optimum feed size "is introduced in this paper."

文章还引入了“最佳粒度”新概念。

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The most important grinding variables from the point of view of wear are feed size, grinding media size, mill speed, and mill diameter.

就磨损观点来看，橡胶衬板最重要的磨损因素是给矿粒度，磨矿介质尺寸，磨机转速和简体直径。

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One of the world’s poorest countries, only twice the size of Ireland, Bangladesh already finds it hard to feed its people.

孟加拉国是世界上最为贫穷的国家之一，虽然领土面积只有爱尔兰的两倍，却已经无法养活国民。

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Users have taken to Twitter to express their comments, many negative, about the new font size in the news feed.

FORBES: Facebook: Testing Smaller Font To Make Site 'More Efficient'

To feed those extra people would take farmland the size of Brazil, the argument goes.

CNN: All About: Food and the environment

The average size of a farm in India can feed only six people.

UNESCO: Over one quarter of young people in South and West Asia fail to complete primary school and lack skills for work | United Nations Educational, Scientific and Cultural Organization