backscatter-to-extinction ratio是什么意思，backscatter-to-extinction ratio的翻译，backscatter-to-extinction ratio音标、读音、用法和例句

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backscatter-to-extinction ratio是什么意思，backscatter-to-extinction ratio的翻译，backscatter-to-extinction ratio音标、读音、用法和例句_奇葩剧汉英词典