Meat producers have to test their products and take other measures to keep that common strain out of the food supply.
肉类生产商必须检测他们的产品，或通过其它措施来使其所供应的食品免受常见种类的大肠杆菌污染。
To test the role of the BMP4 protein, researchers raised a strain of mouse that lacks the protein. They subsequently found those mice had more 'wrong' connections, which they could not get rid of.
为了测试蛋白质BMP4的作用，研究人员饲养了一种缺乏BMP4蛋白质的老鼠，他们随后发现这些老鼠大脑中有很多错误的神经连接，而且他们的大脑无法自动纠正这些错误。
Low strain dynamic nondestructive testing is a new technology to test bearing capacity and quality of pile.
低应变动态无损检测法是检测桩基承载力和桩身质量的一项新技术。
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