The ideal frequency is that of 50 hertz .
最为理想的频率是50赫兹。
The previous record was 0.797 Hertz.
此前的记录为0.797赫兹。
So the frequency for this magnesium bar is about 2,100 Hertz, and you can hear that.
所以镁条的频率是，大概2100赫兹，你可以听到。
Hertz is the world's leading vehicle renting organization.
赫兹是全球领先的汽车租赁集团。
The method has been examined by applying it to the Hertz problem.
该方法通过赫兹问题验证，有限元解与精确解吻合较好。
The method has been examined by applying it to the Hertz problem.
该方法通过赫兹问题验证，有限元解与精确解吻合较好。
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