Galactogogue
发表于 2025-3-23 10:34:50
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Debate
发表于 2025-3-23 15:05:13
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obstinate
发表于 2025-3-23 18:52:53
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不能强迫我
发表于 2025-3-24 01:32:13
A Brief History of Submarine Exploration of the Arctic Basin and Contiguous Marginal Sea Ice Zonesnited States and which continue to the present day. The 1970 USS QUEENFISH Arctic expedition, which the author commanded, further refined many methods of collecting scientific information developed during this period.
HIKE
发表于 2025-3-24 03:47:24
Acoustic Detection, Communication, and Signal Processing Requirements for the Optional Deployment ofely known positions on the sea floor spanning the entire deployment area in order to provide the SSNBs on station with 1) a sonic noise cover, 2) a reference grid for accurate navigation, 3) a sonic receiving communication channel, and 4) means of near-range detection of submarines and surface ships without the use of active Sonar.
PALL
发表于 2025-3-24 06:34:46
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口味
发表于 2025-3-24 12:43:24
Signal Processing Aspects of Nonlinear Acoustics. Berktay returned in 1972 (3) to present some engineering models for the design of parametric sources. In 1976, Bjørnø (4) presented a survey of theoretical and experimental results on parametric arrays developed at several laboratories.
知识
发表于 2025-3-24 15:04:16
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GEAR
发表于 2025-3-24 19:16:20
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gene-therapy
发表于 2025-3-25 00:42:25
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