求翻译：CBS首次报道至今已有一个多世纪,但对的研究进展相当的缓慢 主要工作局限在病菌种类及其鉴定、病害扩散机制，病害快速检测和防治技术等方面。是什么意思？

cbs report has been more than a century, but on the progress of research is quite slow work confined to the bacteria species and their identification, disease diffusion mechanism, rapid disease detection and prevention technology for the first time.

First reported CBS has been more than a century, but the progress of the study is limited by the slow work in bacteria types and their authentication mechanisms, disease spread quickly, and disease detection and prevention technology.

CBS reported for the first time until now had more than centuries, but to the research progresses the suitable slow prime task limitation in the germ type and the appraisal, plant disease proliferates the mechanism, aspects and so on plant disease fast examination and preventing and controlling tech

CBS has been reported for the first time for more than a century, but progress is slow mainly limited to species and identification of pathogens, the spread of disease mechanisms, rapid detection and control techniques of diseases, and so on.

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