频率级别，时间常数，速度级别。

Frequency level, time level, speed level.

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然后将当前的基数设为现有的加速度级别。

Then set the current base to the existing level of acceleration.

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注意，产品列表中所提供关于负载、速度级别及疲劳负荷限值数字均已四舍五入。

It should be noted that the values provided in the product tables for load and speed ratings as well as for the fatigue load limit are heavily rounded.

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