As the usage time of the semiconductor laser increases, its threshold current will be .
A、graduallydecrease;
B、remainunchanged;
C、graduallyincrease;
D、graduallyincreasethengraduallydecrease
发布时间:2025-11-16 22:57:45
A、graduallydecrease;
B、remainunchanged;
C、graduallyincrease;
D、graduallyincreasethengraduallydecrease