求翻译：为了更好地分析稻瘟病菌生理小种的时间动态变化，我国的许多省市已经鉴定了生理小种的组成情况。不同地区稻瘟病菌生理小种的组成情况不尽相同，但每个省份都有各自的优势种群（5.6.7）。稻瘟病菌的生理分化十分复杂，某个地区的优势小种会随时问发生变化，地理位置接近的地区稻瘟病菌生理小种的群体组成可能也会存在较大差异（6）。影响稻瘟病菌小种组成及时空分布变化的因素是多方面的，包括栽培品种的影响、气象和环境条件的影响等，其中栽培品种单一化或者说抗病基因单一化是最主要的原因，也就是说，种植多样性的水稻品种将有利于稻瘟病菌的稳定化选择。是什么意思？

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In order to better analyze rice fever germs of the time small physiological changes dynamically, many of our provinces and cities have been identified by the physical composition of the small type. plague bacteria rice from different regions of the physiology of the composition are exactly the same,

In order to analyzes the rice blast fungus physiologic race well the time dynamic change, our country's many provinces and cities have already appraised the physiologic race composition situation.The different local rice blast fungus physiologic race composition situation is different, but each prov

In order to better analyse the dynamic changes of physiological races of rice blast fungus, many provinces and cities in China have identified a composition of physiological. Composition of physiological races of rice blast fungus in different regions vary, but each province has its own dominant spe

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