概率筛，是以道碴沿筛面相对滑动的原理和链结传动的多边形效应为依据而设计的铁路道碴清筛机上使用的新型筛分机构。概率筛能使粒径小的碎碴得到较多的筛分，而粒径大的碎碴其筛分则很少，从而大大地提高了筛分率，可延长清筛周期一倍左右
直接在你的测试计划中合并客户使用知识以及缺点筛余机制提高了你预测客户影响和与缺点相关的风险概率。
Incorporating customer usage knowledge directly into your test planning and defect triage mechanism improves your ability to predict the customer impact and risk probability associated with a defect.
将概率分级筛激振器机架的结构由整体焊接式改为螺栓联接式，使用方便，效果很好。
The structure of probability screen vibration frame change unitary welded type to bolt fastening. This way USES handy and effect is well.
根据理论分析和试验结果，建立了煤用概率分级筛的数学模型。
Based on the results of the analysis, a mathematical model of the screen is established with piecewise function to describe completely the partition curve of the probability sizing.
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