问题 更新时间2023/4/3 12:59:00 Frequency is the reciprocal of the period, if the period is 4ms, then the frequency would be ().A.4m/sB.0.25KHzC.25HzD.all of above 答案 登录 注册 参考答案:B 出自:联大 >> 河南师范大学-计算机科学与技术-专业英语