英语语法分析

Reinforcement is required for both parapatric and sympatric speciation.

对于领域性的和同域性的物种形成，强化是必需的。

In sympatric speciation, species diverge while inhabiting the same place.

在同域物种形成中，居住在同一个地方的物种分歧化。

This finding indicated that WBPH resistance genes were retained in sympatric japonica landraces in China.

这些发现表明抗白背飞虱基因在中国存在于同一生态区的粳稻地方品种中。