遗传 发表于 2025-3-25 03:33:28
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8楼acrimony 发表于 2025-3-26 10:09:13
Optoacoustic Spectroscopy of Condensed Media As a rule, the introduction of an additional (‘immersion’) medium between the sample and the pickup improves their acoustic matching; it also facilitates the study of surface absorption in solids. Analysis of the indirect measuring method and a comparison with the direct one are given in Sects.3.3–5.连系 发表于 2025-3-26 15:29:06
http://reply.papertrans.cn/76/7562/756112/756112_29.pngPelvic-Floor 发表于 2025-3-26 17:58:23
Pratiwi Kartika,Hariyadi,Cerdikwanical judgement and observation of technological Things and thematic learning materials as present-at-hand “for-the-sake-of” teaching and learning. The fusion of horizons between students as Dasein, and, learning materials and ultimately teachers, will thus be enabled by the cooperation between the t