研究结果可为稀有树种的引种、繁育和管理提供科学依据。

The experiment results are very useful for the introduction, planting and management of rare tree species.

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有3,800多种不同的植物生长在这里，包括30多种稀有树种和20多种珍奇动物。

More than 3,800 different plants grow here, including over 30 rare tree species and over 20 rare animals species.

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在那浩瀚的沙漠中，生长着一种稀有的树种，叫胡杨。

There, in the boundless desert, grows a rare variety of tree called euphrates poplar.

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