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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
推荐参考答案 ( 由 题搜搜 官方老师解答 )
答案:gradually increase
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