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单词
Pristidae
释义
Pristidae
[`pris·tǝ´dē]
VERTEBRATE ZOOLOGY
The sawfishes, a family of modern sharks belonging to the batoid group.
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frenum
frequency
frequency agility
frequency allocation
frequency analysis
frequency analyzer
frequency-azimuth intensity
frequency band
frequency bridge
frequency carrier system
frequency changer
frequency-changer station
frequency characteristic
frequency coding
frequency compensation
frequency conversion
frequency converter
frequency counter
frequency curve
frequency cutoff
frequency-dependent selection
frequency deviation
frequency discriminator
frequency distortion
frequency distribution
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