采样

shí wù cǎi yàng jiǎn chá

食物采样检查

food sampling for inspection

suí yì cǎi yàng

随意采样

take a random sample

chóng fù cǎi yàng

重复采样

duplicate sampling

cǎi yàng fāng fǎ

采样方法

method of sampling

cǎi yàng shù jù

采样数据

sampled data

dì zhì kē xué cǎi yàng fēn xī

地质科学采样分析

geoscience sampling analysis