微生物数量大，种类多，生长快，易培养，且酶系复杂，几乎可以分解一切天然物质。
Microbes can decompose all the natural material with the characters of great quality, many species, fast growing, easy culture and complicatedly enzymes.
我国西南地区石质文物种类多、数量大，具有极高的研究价值、艺术价值和旅游开发利用价值。
There are lots of lithoid cultural relics with high value of research, art and travel development.
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