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# 光

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    啊呸 2026-05-04 进行了提
    太阳每天都发出明亮的光,照亮整个地球。但不知道太阳为什么能发光,是什么让太阳产生光线的。太阳为什么能发光,太阳的光从哪里来,太阳发光的原理是什么?
    0 赞同 1 回答
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    一言难尽 2026-04-28 进行了提
    听说天空是蓝色是因为光的散射,但散射是什么原理不清楚。光照射到物体上会发生什么变化,为什么散射会让天空变成蓝色。光的散射是什么科学原理,怎么理解这个物理现象?
    0 赞同 1 回答
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    夏沫殃 2026-04-28 进行了提
    太阳光看起来是白色的,但听说其实是由多种颜色组成的。彩虹就是太阳光分解后的颜色,红橙黄绿青蓝紫。太阳光到底是什么颜色,为什么看起来是白色的,它包含哪些颜色的光?
    0 赞同 1 回答
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    鸣妍 2026-04-26 进行了提
    怀孕87天了,做彩超发现胎儿没有颅骨光环,这正常吗?孩子还能不能要
    0 赞同 2 回答
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    只爱她 2026-04-24 进行了提
    激光去斑能彻底去掉痘痘印吗?我是一名大三学生,颧骨和鼻子上都有斑,想问激光去斑大概要多少钱
    0 赞同 2 回答
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    一米阳光 2026-04-23 进行了提
    散瞳后验出来的视力和第二天复诊验出来的视力,哪个更准确?如果散瞳后发现加了散光,该不该加
    0 赞同 2 回答
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    贰叁 2026-04-23 进行了提
    宝宝四个月时发现眼周有太田痣,现在三周半了,听说要激光治疗,但担心宝宝太小,不配合,治疗过程中会不会有痛苦,还有眼周治疗安全吗
    0 赞同 2 回答
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    竹林风 2026-04-23 进行了提
    怀孕三个月做屁股X光检查对宝宝有影响吗
    0 赞同 3 回答
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    呐呐呐 2026-04-19 进行了提
    雨后有时候能看到彩虹,弯弯的一道七色光很漂亮。为什么会有彩虹?彩虹是怎么形成的?阳光和水珠有什么关系?彩虹为什么是七种颜色?彩虹的形状为什么是弧形?
    0 赞同 1 回答
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    三线花 2026-04-23 进行了提
    怀孕六个月了,B超发现胎儿左心室有强光点,这正常吗?会不会影响宝宝的健康
    0 赞同 1 回答
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    心动 2026-04-19 进行了提
    眼睛周围长汗管瘤是不是只能做激光治疗?听说激光可能留疤,有没有其他药物或药膏可以治疗
    0 赞同 1 回答
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    牛逼 2026-04-18 进行了提
    脸上有色斑,而且经常在日光下工作,怎么才能消除或者淡化这些色斑呢
    0 赞同 3 回答