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- dissymmetrical square wave with alternate frequency 变频不对称脉冲方波
- The proposed new VFC-based adaptive integral is advantageous over the conventional implementation in measurement time, effective noise bandwidth and alternative frequency attenuation. 文中提出的VFC型自适应积分器比传统方法在测量时间、交流衰减能力和等效噪声带宽三方面存在较大优势，提高了系统的性能。
- Meetings are held on alternate Thursdays. 每隔一个星期的星期四举行一次会议。
- Good harvests alternate with bad. 好收成与坏收成交替更迭。
- They saw each other on alternate Sundays. 他们每隔一个星期天相会一次。
- We alternate in doing the housework. 我们轮流做家务。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- An alternate name for a member of a partitioned data set. 一分区数据集中某成员的替换名。
- Study on Alternate Load and Traditional Load to Muscular Training and Control to Alternate Frequency 交变负荷与传统杠铃负荷对肌肉训练效果的影响及交变频率调控的实验研究
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- They alternate hot and cold compresses. 他们使用冷热交替压缩法。
- Day and night alternate with each other. 日夜彼此交替。
- The new play is on the show on alternate days. 这出新戏每隔一天上演。
- The sentries alternate their watch . 哨兵们轮流看守。
- She was no longer the alternate succubus. 她不再是那个轮番变幻的魔女了。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- Dark stripes alternate with pale ones. 深浅条纹相间。
