针对滚法手法滚动频率较高的特点，增加了滚法推拿头机构，进一步提出一种改进型并联与串联机构混联的推拿机器人。
A new hybrid robot with series-parallel mechanism adding a rolling massage part on the moving platform is presented because of the high frequency of the rolling method.
刷新周期是指图中滚动并显示新的竖条的频率。
The refresh interval is how often the graph scrolls and shows a new bar.
自然循环的流动的常数随着滚动幅度和频率而增加。
The heat transfer coefficient of natural circulation flow increases with the rolling amplitude and frequency.
详细分析滚动轴承振动信号的特征，并给出典型轴承的各种特征频率的计算公式。
In details, this paper elaborated the characteristics of rolling bearing vibration signals, and formulas were given to determine typical bearing characteristic frequencies.
结果表明：该方法可以有效提取滚动轴承故障特征频率，提高了轴承故障诊断的准确性。
The results indicate that this method is able to extract effectively the rolling bearing fault feature frequency and improve the veracity of rolling bearing fault diagnosis.
对滚动轴承的失效形式作了分析，并对滚动轴承故障引起的轴承的脉动频率作了估算。
The invalidation form of rolling bearing has been analysed in this text, and the pulsation frequency which is caused of rolling bearing malfunction also has been estimated.
通过对循环谱密度分析方法的特性分析，指出应用循环谱密度分析方法可以在循环频率域有效提取出滚动轴承的冲击故障频率。
Based on the analytic method of cyclic spectrum density, the paper pointed out that the impact frequency could be extracted effectively with the help of scanning cyclic frequency domain.
为了提高结构的动态刚度，可通过修改直线滚动导轨的结构，使低阶模态频率相应提高。
The dynamic characteristic of linear rolling guide affected by modal frequency and modal shape was studied.
为了提高结构的动态刚度，可通过修改直线滚动导轨的结构，使低阶模态频率相应提高。
The dynamic characteristic of linear rolling guide affected by modal frequency and modal shape was studied.
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