The band edge excitonic transitions were measured by the reflectivity and photoluminescence measurements.
利用反射及光激萤光量测能隙边缘的激子跃
。
The band edge excitonic transitions were measured by the reflectivity and photoluminescence measurements.
利用反射及光激萤光量测能隙边缘的激子跃。
：以上例句、词
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