There are significant differences among different geographical populations (P<0.05).
不同地理种群间差异较大（P＜0.05）。
These results indicate that difference in virulence and damage characteristics could be found in different geographical populations of BPH.
研究表明不同地理种群的褐飞虱的致害性与其为害特性并不完全一致。
The results demonstrate that the same species of different geographical populations have the same amount of chromosome and karyotypic formulae.
结果表明不同地理居群的同种蛙有相同的染色体数和核型模式。
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