名词
中文翻译：Unknown
同义词：
['extended sample', 'extended test', 'extended trial']
例句：
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1. The company has decided to extend the sampling period for its new product.
该公司决定延长其新产品的采样期。
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2. The research team conducted an extended trial of the new drug.
研究团队对新药进行了延长试验。
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3. The manufacturer extended the warranty on the product due to a manufacturing defect.
由于制造缺陷，制造商延长了产品的保修期。