For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.
有几年它的亮度一度达到了现在的太阳亮度的一万倍左右。
A complete MK designation includes both spectral type and luminosity class -for instance, the sun is a G2V.
一个完整的MK系统代号包含光谱类型和光度型两部分——例如,太阳属于G 2 V类恒星。
When the Sun first became a main sequence star, it radiated only 70% of the current luminosity.
当太阳首次成为主序星,它的辐射只有当前光度的70%。
Restores your skin's vitality luminosity. Offers a light in texture yet covers beautifully. Deliberately SPF15 ensures optimal sun protection.
能回复肌肤的活力及丽泽,提供一份质地轻盈及美丽地覆盖妆容,含SPF15确保最佳的防晒保护。
Restores your skin's vitality luminosity. Offers a light in texture yet covers beautifully. Deliberately SPF15 ensures optimal sun protection.
能回复肌肤的活力及丽泽,提供一份质地轻盈及美丽地覆盖妆容,含SPF15确保最佳的防晒保护。
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