Second, vitrinite reflectance is in fact image brightness under certain light.

第二，镜质体反射率其实就是特定光下镜质体的图像亮度。

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Second, vitrinite reflectance is in fact image brightness under certain light.

第二，镜质体反射率其实就是特定光下镜质体的图像亮度。

youdao