关键词：傅立叶系数；压缩图谱；苹果糖度；近红外光谱 [gap=870]Key words：Fourier coefficients；feature selection；apple sugar content；NIR
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"Lose weight clan" can choose low sugar content of the fruit, like apple, kiwi, lemon, plum, peach and oranges.
“减肥族”可选择含糖量较低的水果，像苹果、猕猴桃、柠檬、李子、桃、橙子等。
As the chief sugar in apple fruit, Fructose content changes from 361.2 to.
苹果果实中主要的糖类是果糖，供试品种果糖含量变化在361.2 ~。
In this paper, sugar content in apple is detected by near infrared detecting technology.
本文就是利用近红外检测技术对苹果中的含糖量进行检测分析。
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