光纖衰減 guāng xiān shuāi jiǎn

DEFINITIONS

  1. optical attenuation

CHARACTERS

光 guāng
HSK 4
light, brilliant, shine; only
纖 xiān fine, delicate; minute; graceful
衰 shuāi
HSK 6
decline, falter, decrease; weaken
減 jiǎn decrease, subtract, diminish