Citric acid is an important organic acid and mainly produced by fermentation method.

柠檬酸是一种重要的有机酸，主要通过发酵法生产。

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It can be concluded that CTGF was mainly produced in hepatic stellate cells, sinusoidal endothelial cells and fibroblasts.

肝星状细胞、成纤维细胞和窦状隙内皮细胞是肝内ctgf的重要来源。

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Overview: the Division licorice tincture mainly produced in northeast China, licorice, licorice obtained by ethanol extraction tincture.

概述：本司甘草酊主要采用中国东北地区产的甘草，用乙醇浸提制得甘草酊。

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On Earth,it is mainly produced by processes linked to biology.

VOA: special.2009.12.30

Stoesser says half of the rice produced here is exported to other countries, mainly Mexico, and that farmers could produce more if the market were to expand to Cuba.

VOA: standard.2010.07.29

Vitamin D is a fat soluble vitamin that is mainly produced by exposure of the skin to ultraviolet light.

CNN: How much vitamin D do I need?

Garlic in the EU is mainly produced in Spain, but also in Italy, France, Poland, Hungary, Romania and Bulgaria.

BBC: Who, What, Why: Why do criminals smuggle garlic?

The killer chemical is mainly produced by burning plastic and materials containing chlorine.

CNN: Warning -- this garbage is dangerous