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It is a new technique of lower frequency.
这是一项新的降频技术。
youdao
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The zero occurs at a lower frequency than the pole.
零点的频率比极点低。
youdao
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The light emitted is at a lower frequency than the original radiation.
所发出的光要比所受照射的光频率低。
youdao
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The light emitted is at a lower frequency than the original radiation.
所发出的光要比所受照射的光频率低。
youdao