The psychology ability keeping competition is unable to be sifted out.
保持比赛的心态才力不会被镌汰。
If we do not using every parts of time in our daily life to practice our English , we have to be sifted out by our society!
如果我们不从现在起利用点滴时间培养好英语环境，以后必将为国际社会无情地淘汰！
A technical scheme of grinding-waving bed to be sifted out is adopted and the fined ore grade can reach 40.41%. The rate of recovery is 70.92% in choosing target.
对于富矿的选别，采用粗磨跳汰—摇床的技术方案，得到的锰精矿品位为40.41%，回收率为70.92%的选别指标。
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