人类的发源
发表于 2025-3-25 03:38:15
s of the techniques and appearances are increasingly importa."Noninvasive Cerebrovascular Diagnosis" is the newest definitive text on the current techniques used in assessing vascular disorders. Readers will receive authoritative information and will be guided through the establishment and accredita
Pantry
发表于 2025-3-25 09:28:33
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cultivated
发表于 2025-3-25 12:35:56
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LEVY
发表于 2025-3-25 16:14:08
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investigate
发表于 2025-3-25 21:23:31
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主动脉
发表于 2025-3-26 00:38:01
Transcranial Doppler Sonography,ed echo signals to be detected. The frequency shift of the returned echoes is calculated using the Doppler equation .. = 2 ... cosθ/(. - cosθ), where .. is Doppler shift, .. is the emitting frequency, . is the scatterer speed, θ is the Doppler angle, and . is the sound propagation speed.
VAN
发表于 2025-3-26 07:05:09
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小溪
发表于 2025-3-26 11:38:33
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改变
发表于 2025-3-26 15:38:03
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Armory
发表于 2025-3-26 18:46:26
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