University culture is divided into core culture, mantle culture, and surface culture.

大学文化有内层文化、幔层文化和表层文化。

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The cultural change is analyzed from the following two aspects: the surface culture and the deep culture.

文化变迁主要是从表层文化与深层文化的变迁两方面进行分析的。

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These algae now release their oil, which floats to the surface of the culture vessel.

现在，这些藻类可以释放出藻类油，藻类油能漂浮到培养容器的水面上。

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This property of cells in culture is called anchorage dependence - that the cell needs to be anchored to a surface in order to function properly.

体外培养细胞的这种特性,称为贴壁依赖性--,意思是细胞必须固定在,某个表面上才能正常生长

耶鲁公开课 - 生物医学工程探索课程节选

Yeast cells were grown in large numbers with this plasmid inside, they expressed the plasmid and so you made Hepatitis B surface antigen not in people but in cell culture where it was not normally formed.

体内携带这种质粒的酵母细胞大量增殖,它们表达质粒,因此,乙型肝炎表面抗原不是在人体内,而是在细胞培养环境下,以非正常方式形成的

耶鲁公开课 - 生物医学工程探索课程节选

This process made cells spread out on the surface of culture plates, in a similar way to cancer cells moving out from a tumour.

BBC: NEWS | Health | Molecule 'helps cancer to spread'

These algae now release their oil, which floats to the surface of the culture vessel.

ECONOMIST: Biofuels from algae: Craig's twist | The

Their views don't require much beyond attending to surface symptoms of a culture that offers far more depth and color when it's taken seriously and criticized thoughtfully.

NPR: Author Comes to Hip-Hop Music's Defense