求翻译：Project Description: The movement law of bubbles in bubble film of simulated and real wakes is discussed and calculated in this paper，also the math-physical model of bubble distribution in relation to bubble radius is predicted. A new train of thought and method，which can effectively improve the detection range to larger ships，has been put forward for homing torpedo in military aspects. For fishery，the fish tracking range and accuracy is also improved. In other aspects，it can be used in water quality evaluation，which provide the theoretical basis for the water pollution control and quality inspection.是什么意思？

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