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- This rate is called frequency and is measured in hertz,or vibrations per second. 这种速率叫做频率，计算单位为赫兹(每秒钟振动频率)。
- The rate at which pulses can be sent and received on copper wires is called frequency. 脉冲通过铜线送出和接收的速度称为频率。
- This rate is called frequency and is measured in hertz ,or vibrations per second. 这种速率叫做频率，计算单位为赫兹(每秒钟振动频率)。
- This rate is called frequency and is measured in hertz, or vibrations per second. 这种速率叫做频率，计算单位为赫兹（每秒钟振动频率）。
- One pair of changes is called a cycle. The number of cycles per second is called frequency, which usually represented by Hertz *(the symbol is: Hz). Abbreviation: AC. 一双变化称为一循环。每秒内的循环称为频率。频率通常以赫芝为单位（符号 Hz）。交流电的英文缩写是：AC。
- The pikas increased moving and calling frequencies and decreased feeding frequencies over 5 days when exposed to red fox’s odor and they did not show adaptation to predator odors during this time. 当气味源刚放入后，与对照样方比较，高原鼠兔明显增加了观察和鸣叫的频次，相应减少了取食的频次，且随着时间的推移，高原鼠兔并未对气味产生适应性。
- He had a calling to join the party. 他被邀请参加聚会。
- By investigation, we find out the reasons those cause internal communication phone calls frequency at central nursing station are as following: Couldn't find the leaser or chief nurse's position. 经查检发现中央护理站内部联系电话次数多之原因为：不知道小组长或护佐之所在位置；
- My brother is always at my father's beck and call. 我兄弟总是对我父亲唯命是从。
- UMTS assigns separate carrier frequencies to incoming and outbound signals, a process called frequency division duplexing (FDD). UMTS分配给营运商不同的频率，用于输入和输出信号，这个过程叫频分双工（FDD）。
- Donna call on her friend kita for a chat. 多娜到她的朋友莉塔家闲谈。
- The capacity of independent component analysis (ICA) is usually effected by the phase difference of the mixed signals.For this reason, an improved method called frequency domain BSS is proposed. 针对混合信号相位差对独立分量分析算法性能的影响问题，提出一种故障源信号的频域盲分离方法。
- Forgive me so early to call up you please. 请原谅我这么早给你打电话。
- I am calling about what we discussed the other day. 我打电话是为了前几天我们所讨论的事。
- That's all there is to make a speed dial call. 在那里全部要进行快速拨号呼叫。
- All you have to do is call on the house phone. 我只要做的就是拨个室内电话。
- I'm going to call on one of my former classmates. 我要去看望我的一位老同学。
- Frightened children were calling for their mothers. 受惊的孩子们呼喊著找妈妈。
- You may push this button to call the elevator. 你可以按这个按钮叫电梯。
- Your best bet would be to call again tomorrow. 你最好明天再打电话来。
