| 1. | The high frequencies are attenuated .
高频成分被削减。 |
| 2. | The waveform is onticeably less rich in the higher frequency .
这样的合成波形明显地缺乏较高的那一频率。 |
| 3. | The high frequencies are not emitted, the effect of frequency-selective propagation is not very apparent .
没有激发高频，频选传播不很明显。 |
| 4. | High frequency gusts are usually measured by high response research-oriented anemometers .
高频突风通常是用高速响应的研究性定向风速计测量。 |
| 5. | The time harmonics can be considered as voltages of higher frequencies applied to the windings .
时间谐波可以看作是施加在绕组上的较高频率的电压。 |
| 6. | High frequency instabilities result in grossly increased convective heat transfer coefficients in the chamber walls .
高频不稳定性使室壁对流传热系数大大增加。 |
| 7. | This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter .
这种高频交流电流产生前一章提到过的高频无线电波。 |
| 8. | There is an onset of high frequency motion which is common to both components about 1. 8 sec. after the beginning of the record .
大约在记录开始18秒后，两种分量都有高频运动出现。 |
| 9. | High frequency gust data do not exist in large quantities and are generally available only from the original investigator .
高频突风数据不是大量的存在，一般只是在最初型的研究器上用。 |
| 10. | These stray currents usually have a higher frequency (50-60h2 harmonics) than those used in the ip frequency technique .
这些游散电流的频率（5060H2及其谐波）通常比IP频率域法中用的频率要高。 |
