Clearly, this frequency-selective absorption is an important effect. 顯然，這種頻率選擇吸收是一個(gè)重要的效應。
The laser works by selective photothermolysis, which means that the light energy is selectively absorbed by pigmented areas. 作品的激光選擇性光熱，這意味著(zhù)光能是選擇性吸收色素地區。
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