Parameters such as frequency, intensity and pretreatment time of ultrasound are varied.

讨论了声场参数，即频率、声强、超声辐射时间对该过程的影响。

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More complex methods such as frequency weighting and frequency normalization go beyond the scope of this article.

更复杂的方法，比如频率加权和频率归一化，超出了本文范畴。

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Complicated system radars such as Frequency Agile radar, PRI Stagger radar are used more and more in various environments.

一些复杂体制雷达，如捷变频雷达、重频参差雷达等越来越多地被用于各种环境中。

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CRTC's responsibilities limited to technical fields such as frequency management, with the courts policing media output by applying hate and libel laws.

ECONOMIST: Free speech in Canada

For example, rather than purchase expensive ultra-efficient motors, low cost opportunistic additions to old fans and pumps such as variable frequency drives and demand controls can deliver equal energy savings at a fraction of the cost.

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Duncan said the strongest trends his company sees in these development initiatives are in the growth of service-oriented software architectures, subscription-based software sales and industry-specific standards in areas such as radio frequency tags and cellular telephony standards.

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