The technology of amplifying solar energy can save the number of semiconductor materials required for photovoltaic cells.

通过放大太阳能的技术可以节约光伏电池所需的半导体材料的数量。

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Other studies have shown that greater stimulation not only affects the size of the brain but also increase the number of connections between the nerve cells.

其他研究表明，更大的刺激不仅会影响大脑的大小，还会增加神经细胞之间连接的数量。

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The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.

这种药增加血液里的红细胞数量，将氧气吸收量提高百分之十。

《柯林斯英汉双解大词典》

For the first time, scientists around the world had a limitless number of cells they could use to test the effects of diseases, medicines and chemicals.

VOA: special.2010.07.21

This is what makes cells different, the number and quantity of the genes that they express.

这就是细胞产生差异的原因,即表达的基因在数量和质量上的差异

耶鲁公开课 - 生物医学工程探索课程节选

It goes - going through this process of amplifying divisions, every division increasing the number of cells by a factor of two and these cells becoming more differentiated around the way.

它经历了一系列扩增性的分裂过程,每次分化,细胞数目都翻一番,而在此过程中细胞分化得更成熟

耶鲁公开课 - 生物医学工程探索课程节选

However, some experts say only embryonic stem cells can generate the vast number of cells needed to cure some diseases.

BBC: What next for stem cell research?

Mr. LINKOV: We're not going to see fuel cells for a number of years.

NPR: Hybrids and the 'Halo Effect' of Car Ads

Mice given the modified cells produced more than six times the number of "killer T" cells, which are immune cells produced to neutralise a target.

BBC: 'Supercharged' immune system takes on cancer