... 引燃时间 ignitor firing time 引入频率 pull-in frequency 引线焊接 lead attachment ...
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当其被振动时，便开始引入被锁定的频率。
When it vibrates, it begins to bring in the frequencies to which it is keyed.
本文将图像块分割引入多聚焦图像融合中，以小波空间频率作为多聚焦图像的清晰度指标。
This paper introduces the image block segmentation into the multi-focus image fusion, and USES wavelet spatial frequency as the multi-focus image clarity indicator.
在此基础上，引入结构动特性的主要指标之一的结构固有频率，提出了一种新的结构优化形式。
Then a new type of structural optimization is proposed by employing one of the main indexes of structural dynamic characters i. e. natural frequency.
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