BLAZE
发表于 2025-3-26 22:46:10
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含水层
发表于 2025-3-27 01:46:03
Damage Assessment for Masonry and Historic Buildings in Bosnia and Herzegovina unreinforced masonry buildings. Most of the multistory structures, especially residential buildings, in 1970s, 1980s and 1990s were constructed with R.C. walls, some of them with satisfactory level of earthquake-resistant design. Historic buildings are mostly built as robust unreinforced masonry st
绝缘
发表于 2025-3-27 08:13:47
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Affable
发表于 2025-3-27 13:02:15
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corporate
发表于 2025-3-27 16:38:00
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LUDE
发表于 2025-3-27 19:57:27
Discussions of VLF Records Obtained During Polar Cap Absorption and Auroral Disturbancesnces than waves at 16 kHz..During two weak PCA events which were hardly detected by HF riometers in Northern Scandinavia, strong VLF phase and amplitude anomalies were recorded for several days. Contradictory to earlier data the major VLF effects were found during day-light periods.