cogitate 发表于 2025-3-26 21:39:57
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Ray/Mode Trajectories and Shadows in the Horizontal Plane by Ray Invariants valid depending on the relative magnitude of the reflection loss and the back scattering strength. Back scattering would be favoured by rough sea beds whereas reflection would be favoured by smooth. This question is an interesting one and worthy of experimental investigation although designing a suitable experiment is quite difficult.卜闻 发表于 2025-3-28 00:39:05
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Book 1984 These iterations were caused by various administrative and logistical problems which need not be detailed. However, its direction being set initially, the iterations led to modifications of the original concept so that the final form was arrived at through an indirect approach. This circumstance ma