... 关键词】: 冰芯记录 尘埃沉积 对流层中上部 大气尘埃通量 持续下降 [gap=1444]Keywords】: ice core record,dust deposition,middle-upper troposphere,dust flux,persisting declination ..
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这次爆炸将大约100万亿吨的尘埃提升到大气中，这一数字可以通过测量这些尘埃降落到地表时所形成的沉积层的厚度来确定。
The explosion lifted about 100 trillion tons of dust into the atmosphere, as can be determined by measuring the thickness of the sediment layer formed when this dust settled to the surface.
宇宙尘埃元素法优势在于对沉积间断时间的确定。
The merit of methods based on cosmic dust elements is to determine the interrupted interval of sedimentation.
能全天候的锁住水分，使肌肤长时间的保持滋润，有效隔离紫外线辐射和空气中的尘埃，防止水分流失和色素沉积，淡化色斑，抗氧化，使皮肤更润白、光滑。
It can retain water all the day, close off ultraviolet radiation and atomy in the air, control melanin forming, prevent oxidation and make skin white and soft.
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