以下为句子列表:
英文: Genetic markers showed the presence of partly-developed sperm cells called spermatagonial stem cells, which are an early phase of the male germ cell development.
中文: 遗传标记显示存在部分分化的精子细胞即精原细胞,男性生殖细胞发育的早期阶段。
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英文: The microscopic structure observation has been made on the endosperm cells of Trigonella foenum graecum、Gleditisia microophylla Bunge、 Gleditisia sinensis Lam.
中文: 运用光学显微镜和电子显微镜分别对胡芦巴、野皂荚、皂荚、瓜尔豆、塔拉豆等五种豆科种子内胚乳细胞的形态、大小、壁厚等微观结构进行了观察比较。
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