SEM分析表明，本工艺制得的微球表面铜沉积层厚度均匀，与基体间结合牢固。
SEM analyses shown that the copper film made by the technique on the surface of the microsphere is uniform, and its adhesion with the matrix material is strong.
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.
在大陆架上还能经常发现贝壳层，许多贝壳被压碎后堆积在一起，形成厚度不均的沉积层。
Is also often found on the continental shelf shell layer, and many shells were crushed after the stacked together to form the uneven thickness of the sediment layer.
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