Responding to changes in the CF echo's frequency, bats of some species correct in flight for the direction and velocity of their moving prey.(有些种类的蝙蝠会根据回声频率的变化来调整向猎物移动的方向和速度。)
The quicker it vibrates, the greater the frequency of sound it produces.(它振动得越快，发出的声音频率就越高。)
Objects like this turn up at sales with surprising frequency.(这样的东西在拍卖会上出人意料地频繁出现。)
He added, "We have to look at the frequency of events."(他补充道：“我们不得不看看事件的频繁性。”)
Doubling the frequency of logical operations inside a microprocessor doubles the heat output.(微处理器内部逻辑操作的频率加倍，产生的热量也加倍。)
This grid of horizontal lines and we will know that if we're going from here to here, it's got to be exactly this frequency or at least this space.(这个水平线组成的网格，让我们知道，如果我们从这里到这里，正好是这样的频率或者至少是这个间隔。)
Basically, the phenomenon of Standing Waves occurs when sound waves of the same frequency reflect off the walls and meet from opposite directions.(基本上，当相同频率的声波从墙壁上反射并从相反方向相遇，就会出现驻波现象。)
Precise measurements can be made of the length and frequency of the infant's attention between two stimuli.(可以对婴儿在两次刺激之间注意力的时长和频率进行精确测量。)
This demonstrates that blindness is not limited to recent preference selections, but can also occur for intensity and frequency.(这表明，盲目性并不局限于最近的偏好选择，也可能发生在强度和频率上。)
In astronomy, in optical astronomy, we cannot measure the period or the frequency of optical light.(在天文学中，在光学天文学中，我们不能测量周期或者可见光的频率。)
