| 1. | These iamps have been set to an effective frequency
这些光都已经调到了有效的频率 |
| 2. | Anechoic coatings with single cylindrical cavities are used traditionally whose effective frequency band is very narrow
传统的消声层使用单一圆柱腔谐振吸声，但是吸声频带很窄。 |
| 3. | Artificial neural network ( ann ) method is proposed to use in active control system after the analysis of the effective frequency bandwidth of tmd control system
在分析了被动tmd用于风振控制存在有效频带窄的问题后，提出了采用神经网络提供主动控制力的主动控制方法。 |
| 4. | A concept in media planning stipulating that a certain amount of exposure to an advertising message is necessary before it is effective . often used interchangeably with the term effective frequency
广告媒介策划中使用的概念.指受众必须有一定的广告暴露频率,广告才能发生效用.经常与有效频率交替使用 |
| 5. | Furthermore , in effective frequency - band , the transfer function can not accurately simulate the theoretical transfer function , especially for phase property . it shows that kanamori ' s method is not a good one
调整后的单边差分方法在有效的计算频带内仍然不能较好的模拟理论传递函数尤其是相位特征，这说明kanamori等人的方法并不是一个很好的方法。 |
