| 1. | Wave speed equals frequency times wavelength .
波速等于频率乘以波长。 |
| 2. | He manipulated the frequency dial of the radio .
他开始调拨频率键盘。 |
| 3. | Confined waves have definite frequencies .
被限制的波具有确定的频率。 |
| 4. | Accidents are happening with increasing frequency .
事故频繁发生。 |
| 5. | Radiation must have exactly the frequency .
辐射必须严格具有频率。 |
| 6. | The resulting frequency varies by a few percent .
最终频率有少许变动。 |
| 7. | The pitch depends on the frequency .
音调的高低是由频率决定的。 |
| 8. | N is the desired noninteger frequency divider .
N为所要求的非整数分频值。 |
| 9. | The high frequencies are attenuated .
高频成分被削减。 |
| 10. | The frequency and amplitude of vibration are monitored .
振动的频率与振幅受到监控。 |
