Virtual population analysis (VPA) is one of the classic models in fish stock assessment, and is one of the main models in calculating the total allowable catch (TAC).是什么意思_Virtual population analysis (VPA) is one of the classic models in fish stock assessment, and is one of the main models in calculating the total allowable catch (TAC).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句