与刺不同，皮刺能够被轻易地从植物茎上剥落，因为它仅仅是植物外层的一种特征，而不像刺那样是树木的一部分。

Unlike a thorn, a prickle can be easily broken off the plant because it is really a feature of the outer layers rather than part of the wood, like a thorn.

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使用这些工具，分析人员可以更精确地识别地面特征，如伪装迷彩服和树木之间的区别。

Using these tools, analysts can more precisely identify ground features such as distinguishing between camouflaged fatigues and trees.

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项目的目的是保护基地的自然特征，“即时这意味着我们要将这株树木置入我们的建筑中”。

A goal of the project was to preserve the site's natural features, "even if it meant having a tree grow through the house".

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