Write the words in phonemic transcription, including the stress marks.
写下单词的音位标音，包括重音标记。
It is through epigenetic marks that environmental factors like diet, stress and prenatal nutrition can make an imprint on genes that is passed from one generation to the next.
通过外基因标记（epigenetic marks）作用于基因，环境等后天因素比如饮食，压力，孕期营养，就会影响下一代。
Results of metallographic observations on the specimen surface after various stress cycles show that for all the alloys used, the change of slip marks exhibits two distinctly different stages.
在疲劳载荷经过不同循环数后，试样表面进行金相观测的结果指出，对于所用的合金而言，滑移痕迹的变化都表现出两个明显不同的阶段。
Results of metallographic observations on the specimen surface after various stress cycles show that for all the alloys used, the change of slip marks exhibits two distinctly different stages.
在疲劳载荷经过不同循环数后，试样表面进行金相观测的结果指出，对于所用的合金而言，滑移痕迹的变化都表现出两个明显不同的阶段。
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