名词
中文翻译：冷冻保存
同义词：
['freeze preservation', 'refrigeration preservation']
例句：
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1. The food was preserved in a freezer for several months.
食物被保存在冰箱里几个月了。
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2. The company's research department is responsible for the cryopreservation of rare samples.
公司的研究所负责稀有样本的冷冻保存。
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3.The scientists used cryotechnology to preserve the ancient artifacts.
科学家们使用冷冻技术来保存古代文物。