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 first reported has been more than a century, but on the research progress is quite slow. The main work is limited to the types of identification of bacteria, disease diffusion mechanism, rapid disease detection and prevention technology.

The first report CBS so far has been more than a century, but the progress of the study is quite slow. Major work confined to bacteria types and their authentication mechanisms, disease spread quickly, diseases, such as detection and prevention technology.

CBS reported for the first time until now had more than centuries, but to the research progresses suitable slow.The 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. Major limitations in the types of bacteria and its mechanism of identification, the spread of disease, rapid detection and control techniques of diseases, and so on.

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