zhè / xiàng / yán jiū / bǐ jiào / le / tóng yī / wù zhǒng / bù tóng / yì zhì tǐ / de / shēng lǐ / tè zhēng

这项研究比较了同一物种不同异质体的生理特征。

This study compared the physiological characteristics of different variants of the same species.