为了说明其工作原理，首先来看看html脚本标记。

To see how it works, first consider the HTML script tag.

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综述了分子遗传标记的原理、特点及在山羊遗传育种中的应用，并对其发展前景作了展望。

The principle and characteristic of molecular genetic marker are introduced, and its applications in goats genetic and breeding are summarized in this paper.

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介绍了几种分子标记技术的基本原理和方法及其在乳酸菌分类鉴定中的研究进展。

The principles, techniques and advance of molecular marking technology used in classification and identification of lactic bacteria were reviewed in this paper.

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