Coarse material is conveyed by a stream of air to variable speed whizzer-separator.
粗料由空气流输送到变速风力选粉机那里。
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A fascinating thing about Earth, which may make it unique, is that all through its very long existence, all four and a half billion years, variations in the luminosity of the Sun have been compensated for by a variable greenhouse effect.
地球有一件迷人的事情,这可能使它独一无二,那
是在它漫长的存在过程中,在45亿年的时间里,太阳亮度的变化被可变的温室效应抵消了。


高分秘籍 
While we humans make predictions based on obvious root causes (strong features), AI algorithms can process thousands of weakly correlated variables (weak features) that may have much more to do with a given outcome than the usual suspects.
人类基于明确的根源(强特征)做出预测,而 AI 算法则可以处理数以千计的弱相关变量(弱特征),这些变量与既定结果之间的关系可能比通常的猜测要更紧密。
Obviously, person perception is a very subjective process that can be affected by a number of variables, including the characteristics of the person you are observing, the context of the situation, your own personal traits, and your past experiences.
显然,个人感知是一个非常主观的过程,可以受到许多变量的影响,包括你正在观察的人的特征、事件背景、你自己的个人特征和你过去的
历。