名词
中文翻译：筛分试验
同义词：
['test sieve', 'test separation']
例句：
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1. The engineer conducted a test sieving of the soil samples to determine their quality.
工程师对土壤样本进行了测试筛选，以确定其质量。
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2. During the test sieving process, the scientist observed the particles' size distribution.
在测试筛选过程中，科学家观察到了颗粒的大小分布。
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3. The company used a test sieving method to improve the efficiency of its product sorting system.
该公司使用了一种测试筛选方法来提高其产品分类系统的效率。