An evaluation method for accuracy of cement packager was presented based on mathematical statistics.
基于数理统计的方法，提出了一种包装机准确度评定方法。
Using the reliability design method based on mathematical statistics theory, the reliability problem on calender roller rigidity was discussed in this paper.
应用建立在概率统计理论基础上的可靠性设计方法，探讨了压延机辊筒刚度的可靠性问题。
Based on the documentation, mathematical statistics and mathematical computing methods, the author do some theoretical research on the defense of the elite volleyball sportsmen.
本研究运用文献资料、数理统计、数学计算等方法，对优秀排球运动员防守诸问题进行了理论研究。
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