万寿菊和百日草都是一年生植物。

Marigolds and zinnias are annual plants.

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基因工程创造这百日草混血儿的花。

Genetic engineering created this zinnia hybrid flower.

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花卉在自然界的模式。基因工程创造的这种百日草杂交花卉。

Patterns in Nature: Flowers Genetic engineering created this zinnia hybrid flower.

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本试验主要是对百日草进行加倍处理和雄性不育形态学解剖学结构研究。

There are duplication treatment and morphological and anatomical observation of male sterility in this experiment.

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本试验主要是对百日草进行加倍处理和雄性不育形态学解剖学结构研究。

There are duplication treatment and morphological and anatomical observation of male sterility in this experiment.

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