名词
中文翻译：中心凿孔标本
同义词：
['centrally notched specimen', 'centrally notched specimen', 'centrally notched specimen']
例句：
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1. Theresearcher collected a centrally notched specimen to study the effects of temperature on plant growth.
研究员收集了一个中心凿孔标本来研究温度对植物生长的影响。
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2.The museum has a collection of centrally notched specimens from around the world.
博物馆收藏了来自世界各地的中心凿孔标本。
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3.The scientist used a centrally notched specimen to demonstrate the principle of conservation.
科学家使用一个中心凿孔标本来演示保护原理。