道学气 发表于 2025-3-23 09:50:09
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An Experimental Model of the Acoustic Wave Propagation Through a Cascading Triple-Periodic Array of. The experiments have been made with the use of industrial ultrasonic flaw detectors by the through-transmission technique in a wide interval of the ultrasonic frequencies. There is performed the analysis of the obtained temporary and spectral characteristics of the through-transmitted signal.neologism 发表于 2025-3-24 05:34:06
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ing a gene product which is missing or in reduced amounts in the patient due to a genetic mutation in the individual (. Factor VIII protein for haemophilia) or by introduction of new genetic material which either directly or indirectly will help to combat the disease (. genetic vaccination). Therape不能根除 发表于 2025-3-24 18:53:24
Maarten Hooijberg observing session. In the case of a non-computerized system, the tasks involved with centering Polaris with its required off-set for the North Celestial Pole is daunting enough night after night. Even with a computer-assisted “scope,” set-up time still involves the usual lugging of equipment out-of柔声地说 发表于 2025-3-24 20:26:45
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