发布于：2025-07-06 06:18浏览量：140文/优校网
1.(脉搏等的)次数,出现率;频度;【物】频率,周率
2.屡次,频仍,频繁
1.the number of times that something happens during a period of time; the number of instances of something; used for saying that something happens a lot
2.the rate at which a sound wave, light wave, or radio wave vibratesmoves up and down; the wavelength on which a radio program is broadcast