Lub zog kis tau cov kab ke feem ntau passive fibers .
Nce fiber ntau feem ntau yog hais txog nquag fiber ntau, tsuas yog deped nrog lub ntiaj teb tsawg {}}}} nqus cov wavelengths thiab siab tshaj plaws wavelengths {}}
Dab tsi yog qhov sib txawv ntawm lub zog kis tau sib kis fiber ntau thiab tau txais fiber ntau?
Dec 18, 2024
Tso lus