The hymen has no known biological function.
处女膜没有已知的生物功能.
The hymen has known physiological function.
处女膜有未知的生理功能.
The function of magnesium in the chlorophyll structure is well known and documented.
镁在叶绿素结构中的功能,早已为人们清楚地阐明,且也得到文献记载.
The function of the albumen cells is not known.
白蛋白细胞的功能尚不清楚.
The function n ( x, y ) is known as the refractive index profile.
函数n ( x, y ) 称为折射率分布.
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