beat frequency [电子] 拍频 ; [电子] 差频 ; 差拍 ; 拍音
beat frequency receiver 拍频接收机
beat frequency amplifier [电子] 拍频放大器
beat frequency detector 拍频检波器 ; 差频检波器
beat frequency meter 差频频率计
ciliary beat frequency 测定纤毛摇动频率
beat frequency electrotherapy unit 差频电疗机
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He says it is possible to detect different species of mosquito because their wings beat with a distinctive frequency.
他表示，检测不同种的蚊子是有可能的，因为它们翅膀扇动的频率有着明显区别。
The influence of time length and beat frequency on radar range is discussed.
讨论了信号时长和差拍频率对雷达作用距离的影响；
The changes of the myocardial beat frequency before and after administration were counted.
通过计数器计数给药前后心肌细胞搏动频率的变化。
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