That's the current thinking, anyway: that only natural selection causes permanent genetic change..
当前，只有经过自然选择，基因才会发生质的变化。
As for the permanent magnet in the system, the (equivalent) current model is adopted.
对系统中的永磁体，采用了等效电流模型。
Will they affect current permanent residents?
现有的永久居民会受到什么影响？
If you are still in school, you can include both your current address, and your permanent address.
如果你还是在校学生，你可以在联系地址这一栏写上你的暂住址以及籍贯。
If you are still in school, you can include both your current address, and your permanent address.
如果你还是在校学生，你可以在联系地址这一栏写上你的暂住址以及籍贯。
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