What is the wavelength of ultra long wavelength infrared optical communication?
A、2~5inmicrons;
B、5~10inmicrons;
C、10~15inmicrons;
D、15~20inmicrons
发布时间:2025-10-01 16:17:11
A、2~5inmicrons;
B、5~10inmicrons;
C、10~15inmicrons;
D、15~20inmicrons