这意味着纳米菌可能有着蛋白质或其他有机分子的涂层，阻止他们像锯齿状的石灰岩晶体一样正常生长，而是像是圆形斑点。
That means that nanobacteria probably become coated with proteins or other organic molecules, which stop them from growing like a regular, jagged limestone crystal and instead look like round blobs.
加入低浓度的时，生成片状、圆形的COM晶体，(020)晶面消失。
It form slice, rounded COM crystals and the (020) face of COM to disappear in low concentration.
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