做事过头
发表于 2025-3-28 16:21:35
The reflection of the fundamental torsional mode from cracks and notches in pipes,version to the .(1,2) mode is generally seen, and at lower frequencies the .(1,3) mode is also produced. The depth and circumferential extent are the parameters controlling the reflection from cracks; when notches having finite axial extent, rather than cracks, are considered, interference between t
fastness
发表于 2025-3-28 22:43:55
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勋章
发表于 2025-3-29 01:37:47
Local Communities: Relationships between ‘real’ and ‘virtual’ social capitalanalysis further suggests that providing a ready made website rarely results in the creation of a developed community site — although it may provide outlets for more limited information exchanges. However bottom up sites which reflect the heterogeneity of real communities are also rare. Interviews w
关节炎
发表于 2025-3-29 04:11:10
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OTTER
发表于 2025-3-29 07:57:30
Einführung in die mathematische Behandlung der Naturwissenschaften II