Otavite grains are very tiny in size, being commonly only several microns, and the large ones are several tens of microns.
菱镉矿的晶粒微小，一般只有几个微米，大者几十微米，常与菱锌矿、 硫镉矿共生或伴生在一起，呈疏松集合体、皮壳或薄膜状产出。
Its key surfaces need the precision processing of micron level, and form the thin neck that is only tens of microns thickness.
挠性接头的关键部位要经过微米级精密加工，形成厚度仅几十微米的细颈。
The image shows purified-actin filaments (tens of microns long) that Dennis Breitsprecher grew on a dish when he was a biochemistry graduate student at Hannover Medical School in Germany.
这张照片展示了Dennis Breitsprecher在 德国汉诺瓦医学院做生化研究生时在培养皿中组装的纯化微丝（几十微米长）。
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