知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 频率是单位时间内完成振动的次数，是描述振动物体往复运动频繁程度的量，为了纪念德国物理学家赫兹的贡献，人们把频率的单位命名为赫兹，简称“赫”。 And, since the model is ready to produce incorrect data in such an eloquent way, the fallacies are tough to spot and Regulate.  And we pore over customer opinions to determine what ... https://meisterm396qsu4.blog2news.com/profile