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1.We need to collect samples of the soil for testing.
我们需要收集土壤样本进行测试。
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2. The museum has a large collection of ancient artifacts, including samples of human remains.
博物馆收藏了大量的古代文物，包括人类遗骸的样本。
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3. During the research, we collected samples from various regions to understand their cultural differences.
在研究过程中，我们收集了来自不同地区的样本，以了解它们之间的文化差异。