他们在线购买二手实验室设备，把网络摄像头转换成10美元的显微镜和在他们的腋下培养遗传改良的Escherichia coli 。
They buy used lab equipment online, convert webcams into US$10 microscopes and incubate tubes of genetically engineered Escherichia coli in their armpits.
方法2 4例胰头癌标本应用手术显微镜法寻找淋巴结，并进行详细的分组。
Methods Operative microscopy was applied in 24 cases after radical surgery of the pancreatic head cancer to find lymph nodes.
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