[机] near-infrared spectrophotometry
jìn hóng wài fēn guāng guāng dù fǎ ㄐㄧㄣˋ ㄏㄨㄥˊ ㄨㄞˋ ㄈㄣ ㄍㄨㄤ ㄍㄨㄤ ㄉㄨˋ ㄈㄚˇ