The Pekoppa toy, which looks like a small plant just starting to sprout from a pot, flutters its two leaves or bends its stem as if it is reacting to someone who is speaking nearby.
这款名为Pekoppa的小玩具看上去像是一株刚刚从盆中冒出新芽的植物，轻轻摇摆着它的两片嫩叶，或是弯弯茎干，仿佛在向身边说话的人做出回应。
The Pekoppa toy, which looks like a small plant just starting to sprout from a pot, flutters its two leaves or bends its stem as if it is reacting to someone who is speaking nearby。
这款名为Pekoppa的小玩具看上去像是一株刚刚从盆中冒出新芽的植物，轻轻摇摆着它的两片嫩叶，或是弯弯茎干，仿佛在向身边说话的人做出回应。
Two research teams in the US and Japan have made embryonic stem cells – or something very like them – directly from human skin cells, without having to destroy an embryo in the process.
美国和日本的两个研究小组已直接从人体皮肤细胞中提取出胚胎干细胞（或非常类似的细胞），同时在这一过程中没有破坏胚胎。
Now with stem cell technology there are two pathways that are imaginable.
如今有了干细胞技术，也就有了两条途径可选。
Stem length and whether it flowered are two key elements for mat rush quality.
蔺草草茎长度和是否开过花是决定其品质的两个重要方面。
There are two types of stem growth habit and floral initiation in soybean.
大豆茎生长习性和花的发生有两种类型。
Two groups of scientists recently bypassed this problem by transforming human skin cells into stem cells which had the same properties as embryonic stem cells.
最近两组科学家绕过这种问题，将人类皮肤细胞转化成为干细胞，这类干细胞具有胚胎干细胞相同特性。
Two questions related specifically to human embryonic stem cell research and use in therapy.
有两个问题特别涉及到人类胚胎干细胞研究和治疗应用。
Two types of stem cells were stained with the new Bochum antibody 5750 (red) and the conventional antibody 487 (green).
用新抗体5750（红色）和常规抗体487（绿色）两种类型的干细胞分别染色。
Low nitrogen application accelerated mobilization of stem dry matter with two cultivars.
低氮肥施用促进了两品种小麦节间干物质的再动员。
Within two days, the stem cells had grown to create a complete replacement windpipe.
在两天内干细胞就长成了一个完整的替代气管。
The researchers identified two important characteristics of the lateral ventricle stem cells: they look like inner ear hair cells, and they are able to reproduce.
研究人员确定了侧脑室干细胞的两个重要特征：它们看起来像内耳毛细胞、它们能够再生。
They can, however, generate "uniparental" embryonic stem cell lines. Uniparental embryos with two maternal sets of chromosomes are known as parthenogenetic.
但是，他们可以产生“单系”胚胎干细胞系，带有母系的两组染色体的单系胚胎被称为单性生殖。
The choice to receive one versus two units was based on the number of stem cells contained in the UCB.
选择一份或者两份脐血是根据脐带血中干细胞的数目而定。
Mixed hematopoietic chimerism is a state in which bone marrow hematopoietic stem cells from two genetically different individuals coexist.
造血干细胞混合嵌合体是指两个不同基因型个体的骨髓造血干细胞共存的一种状态。
The researchers focused on how hematopoietic stem cells developed into one of two types of white blood cells: macrophages or neutrophils.
科学家主要集中研究造血干细胞是怎样分化成不同的两种白细胞：巨噬细胞和嗜中性细胞。
Over the last two decades, hematopoietic development from embryonic stem cells has been one of the most active areas of stem cell biology.
在过去的二十多年里，血发生的研究是干细胞生物学中最为活跃的领域之一。
Stem cell bioengineering has emerged due to the breakthroughs in stem cell research in the last two years.
由于最近两年干细胞研究技术的突破，一门崭新的学科“干细胞生物工程”已经形成。
AIM: to observe the clinical curative effect of two different techniques to get autografts on pterygium in corneal limbal stem cells transplantation, and compare it with traditional method.
目的：观察自体角膜缘干细胞移植术中两种不同取材技术对翼状胬肉的临床疗效，并与传统方法进行比较。
The two primary types, B cells and T cells, originate from stem cells in Bone marrow and travel to lymphoid tissues.
淋巴球有两个主要类型︰B细胞和T细胞，两类都源于骨髓中的干细胞，然后再流至淋巴组织。
The aim of this review was to identify the adverse effects of haemopoietic stem cell donation and to compare the tolerability and safety of the two methods.
此篇文献回顾的目标是要确认造血干细胞捐赠之副作用并比较两种收集方式的耐受性与安全性。
By using two UCB units, nearly all patients can now use this stem cell source for transplantation.
通过采用双份脐血，几乎所有的患者都可以寻找到移植所需的干细胞来源。
The researches of therapeutic cloning and somatic cell reprogramming, two strategies used to generate patient-specific autologous stem cells, have recently made great progress.
治疗性克隆和体细胞重编程是制备患者特异性自体干细胞的两种不同策略，近期已取得了重大的研究进展。
The X-ray at the final follow-up showed that there was insignificant difference in postoperative hip joint space, hip pain, or stem loosening between the two groups (P>0.05).
术后并发症情况：在深静脉血栓、髋关节间隙变化、疼痛、假体柄松动下沉等方面，两组比较差异无显著性意义（P＞0．05）。
The translocation characters of reserves in stem and sheath and its relation to the grain filling were studied during ripening stage with different types of two-line hybrid rice.
选用不同类型两系杂交稻组合，研究了结实期茎鞘物质运转与籽粒灌浆结实的关系。
AIM: to culture in vitro umbilical cord blood mesenchymal stem cells (UCB-MSCs) by two modified methods and to observe their osteogenic differentiation potential.
目的：采用两种改良方法体外分离培养脐血间充质干细胞，并观察其成骨分化能力。
The translocation characters of reserves in stem and sheath and its relation to the grain filling were studied during ripening stage with different types two-line hybrid rice.
选用不同类型的两系杂交稻品种，研究了结实期茎鞘物质运转与籽粒灌浆结实的关系。
The translocation characters of reserves in stem and sheath and its relation to the grain filling were studied during ripening stage with different types two-line hybrid rice.
选用不同类型的两系杂交稻品种，研究了结实期茎鞘物质运转与籽粒灌浆结实的关系。
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