本文根据往复振动筛筛选分级的要求及特点，建立了往复振动筛运动参数优化设计的数学模型。
According to requirements for grading and characteristics, this paper presents the mathematical model of optimum movement parameter designing for vibrating screens.
广泛应用于矿山、建筑、交通、能源、化工等行业的产品筛选和分级。
Widely used in mining, building material, transportation, energy, chemical industry product selection and classification.
研制出来的汉字大纲应立足于“字本位”教学理念，“由字到词”进行字种的筛选和分级。
The improved the outline of the Graded Chinese character should base on the teaching ideas of "character orientation" and select and classify word species "from character to word".
试验结果表明，该分级方法较机器筛选法更客观、合理，分级结果更符合人们的消费心理和视觉习惯。
It was demonstrated that the classification method was objective and reasonable, and the classification results were more accord with people's consumer psychology and visual habit.
本发明分级碾碎装置由于集粉碎、筛选为一体，大大节省了占用空间，而且结构简单。
The graded crushing device integrates crushing and screening into a whole, greatly saves the occupied space and has simple structure.
玉皇原生醇香花生油：精选沂蒙山原生态花生，采用国内领先的分级筛选技术，保证花生颗颗饱满。
Natural and Fragrant Yuhuang peanut oil is made from picked peanuts growing in Yimeng Mountains. To ensure the oil quality, all the peanuts used are picked by the most advanced technology.
玉皇原生醇香花生油：精选沂蒙山原生态花生，采用国内领先的分级筛选技术，保证花生颗颗饱满。
Natural and Fragrant Yuhuang peanut oil is made from picked peanuts growing in Yimeng Mountains. To ensure the oil quality, all the peanuts used are picked by the most advanced technology.
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