The intrinsic frequency of a beaker can be determined by means of direct determination, resonance or water drip modulation, and each of the methods makes use of the Lissajous figure.
烧杯的固有频率可以用直接测量法、共振法或水滴流调制法加以测定，各法中均利用利萨如图形。
The intrinsic frequency of a beaker can be determined by means of direct determination, resonance or water drip modulation, and each of the methods makes use of the Lissajous figure.
烧杯的固有频率可以用直接测量法、共振法或水滴流调制法加以测定，各法中均利用利萨如图形。
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