First we will set up a simple logical test that checks to make sure the speed of a swallow falls within a specified range, since the airspeed of a swallow may vary.
首先，我们将设置一个简单的逻辑测试用于检查确保燕子坠落的速度在规定的范围内，因为燕子的空中速度可能不同。
The damper will have the best effect in minimizing the vibration within the specified range at all working speed by using on-off control method.
根据这一特性，提出用开关控制能使阻尼器具有最佳的减振效果。
The damper will have the best effect in minimizing the vibration within the specified range at all working speed by using on-off control method.
根据这一特性，提出用开关控制能使阻尼器具有最佳的减振效果。
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