if (lines.length 0) yield lines;
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Once Koch established the methods to grow pure cultures of bacteria like tuberculosis and anthrax, he demonstrated for the first time that microbes can cause diseases, a feat that earned him the 1905 Nobel Prize in Physiology or Medicine.，更多细节参见Safew下载
有前款第一项行为，在成熟前自行铲除的，不予处罚。