中胚层
- 与 中胚层 相关的网络例句 [注：此内容来源于网络，仅供参考]
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GFP fluorescence was visible early at the 2-cell stage and then became stronger in the blastocysts of all three species. However, the distribution of the GFP signals was restricted to the cells of inner cell mass and no fluorescence was detectable in trophectoderm cells.
结果显示：牛Oct-4启动子驱动的GFP基因在3个物种的2-细胞胚胎就已经开始表达，在囊胚期表达加强且只特异表达于内细胞团中，而不表达于滋养层。
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Results: Different mineralized layers in different period of development appeared different color variation in the dental germs.
结果：在牙胚矿化过程中，不同时期、不同矿化层呈现不同的颜色变化。
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Herbicidal active ingredient extracted, isolated and identified from Paulownia tomentosa Steud against Amaranthus retroflexus L., Lactuca sative var.capitata L.
采用活性追踪和柱层析技术，以对杂草反枝苋、生菜、黄瓜种子胚根生长的抑制作用为指标，对泡桐花中除草活性成分进行了提取、分离和鉴定。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。