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作者用数学方法和计算机技术对与牙周病有关的８０余种厌氧菌的生理、生化指标进行筛选，从中选取对鉴定有意义的指标形成系统，依各菌对所选指标结果的不同进行鉴定。将各菌所选指标的结果用二进制数表达，再将二进制数转换成十进制数码，然后设置数码与细菌名相对应的检索表。细菌鉴定时，依其革兰氏染色、菌体形态及耐氧情况，利用汇编程序，计算机屏幕上即可显示出接下去要做的反应。完成这些反应后，将所得反应结果输入计算机，通过电脑查询，屏幕上就可显示出所检菌可能的属、种。
The author used mathematics and computer technology to screen the physical and biochemical indexes of more than 80 kinds of anaerobic bacteria which are related to periodontal disease and select the index forming system which is meaningful to the identification. According to the result of the selected index, Identification. The results of each selected indicator of the indicator expressed in binary number, and then convert the binary number into decimal numbers, and then set the digital and bacterial names corresponding to the search form. Bacterial identification, according to their Gram stain, cell morphology and oxygen resistance, the use of assembly procedures, the computer screen can be displayed next to do the reaction. After the completion of these reactions, the results obtained will be entered into the computer, through the computer inquiries, the screen can be displayed on the bacteria may be genus, species.