Based on amino-acid composition determination, fungus testing, and SEM observation, the result shows that the elemental reason of the brittle silk forming is the fungus growing.

通过氨基酸成分测试、霉菌测试、电镜观察等项试验，表明霉菌是产生脆弱丝的基本原因。

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Based on amino-acid composition determination, fungus testing, and SEM observation, the result shows that the elemental reason of the brittle silk forming is the fungus growing.

通过氨基酸成分测试、霉菌测试、电镜观察等项试验，表明霉菌是产生脆弱丝的基本原因。

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