目的：研究稀土元素对药用植物细胞组织培养的作用和意义。

OBJECTIVE: To study the effect of rare-earth elements on cell and tissue cultures of medicinal plants.

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在植物体细胞组织培养中，蔗糖一直作为标准碳源，然而其他糖类物质如：葡萄糖、麦芽糖和山梨醇对植物体细胞培养也产生了一定的影响。

In somatic culture, sucrose has been a standard carbon source, however other kinds of sugar such as glucose, maltose and sorbitol have a certain influence on in vitro tissue culture.

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