To trace the source of meat, or even leather goods, scientists can use DNA barcoding, which uses a short genetic marker from the sample to identify it.
科学家可以使用基因条形码技术(通过来自样本的短基因标记来识别物种的技术),可以追朔肉甚至是皮革商品源于什么物种。
First there is headline inflation, which reflects the cost changes of a basket of goods weighted by the intensity of their use by consumers in the statistical sample.
首先是顶通货膨胀率,从抽样调查显示,消费菜篮子商品的价格发生了变化;
We sell goods as per the sales sample, not the quality of any previous supplies.
我们销售产品是以货样为标准,而不是凭过去任何一批货的质量。
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