外壁光滑。 周壁较厚，由周壁形成孢子的表面纹饰。
The exospore is smooth and the surface ornamentation is formed by the perispore.
形成孢子的细菌，让它们能够生存在一个休眠状态，直到接触到的条件，可以支持它们的增长。
The bacteria form spores that allow them to survive in a dormant state until exposed to conditions that can support their growth.
而目前所使用的航天器清洁技术仅能发现耐热的和孢子形成的细菌。
The techniques currently used to clean spacecraft only detect heat-resistant and spore-forming bacteria.
应用推荐