他们认为这两个物种是在100多万年前分化出来的。
The two species are thought to have split over one million years ago.
研究表明粳稻和籼稻大约在3900年前才由同一种水稻分化成两种不同的亚种。
The study indicates that the japonica and indica sub-species split apart from each other about 3, 900 years ago.
例如，人头虱是500万年前当人类祖先与黑猩猩分化时从黑猩猩身上的虱子进化来的。
The human head louse, for instance, evolved from the chimpanzee louse when the ancestors of humans and chimps split apart some five million years ago.
有些人说这是男女有别，另一些人说社会分化和未社会分化，包括一位前哈佛校长，曾经说过能力的差别导致如此。 （这就是他为什么已是“前任”的最大原因。）
Some people say it's discrimination, others say socialization and few, including a former Harvard university president,have said ability has something to do with it. (That's largely why he's "former.
例如，未分化的胚胎干细胞可能形成肿瘤，如果在移植前细胞未全部成功分化，将可能造成癌症。
Undifferentiated es cells can form tumors, for instance, creating a risk of cancer if the cells are not all successfully differentiated before transplantation.
之前对北极熊进化的时间的估计，将这个分化定义在7万到100万年前。
Previous estimates of polar bear evolution had placed the split any where from 70,000 years ago to more than one million years ago.
前质体能分化成各具特点的细胞器，如淀粉体，叶绿体和有色体。
The proplastids differentiate to form characteristic organelles such as amyloplasts, chloroplasts and chromoplasts.
目的观察柚皮苷对前脂肪细胞3T3-L1增殖和分化的影响，并探讨其影响3T3-L1分化的可能作用机制。
Objective To observe the effect of naringin on proliferation and differentiation of 3T3 -L1 preadipocyte, and to investigate its possible mechanism.
非常有趣的是，发育中的哺乳动物晶胚的心脏在分化为四腔室前，与斑马鱼的双腔心脏非常相似。
Intriguingly, before the heart of a developing mammalian embryo separates into four Chambers, it looks similar to the two-chambered zebrafish heart.
这个孕育花芽的过程是在花芽分化前的几个星期开始的。
This induction process begins a few weeks before fruit bud initiation.
目的：观察钙离子通道阻滞剂盐酸维拉帕米对3T3鄄L1前体脂肪细胞分化及脂质积聚的影响。
Objective:To observe the effect of verapamil on the differentiation and the lipid accumulation of 3T3-L1 preadipocyte.
目的：观察中药复方逍遥散含药血清对高浓度皮质酮环境下海马神经前体细胞增殖和分化的影响。
AIM: To investigate the effect of Xiaoyaosan drug-containing serum on proliferation and differentiation of hippocampus nerve precursor cells under high corticosterone concentration condition.
脂肪组织生长包括脂肪细胞大小的增加和由前体细胞分化的新脂肪细胞的形成。
The growth of adipose tissue includes an increase in adipocyte size and the formation of new adipocytes from precursor cells.
结论：在3t3- L1脂肪前体细胞分化过程中脂联素基因表达逐渐上调，可能有利于脂肪细胞的分化成熟。
Conclusions: Adiponectin gene mRNA expression is up-regulated during 3t3-l1 preadipocyte differentiation. It may contribute to the adipocyte differentiation and obesity.
血管内皮祖细胞是一类能够迁移、增殖，并分化为成熟血管内皮细胞的前体细胞。
In the recent years, many studies have confirmed that vascular endothelial progenitor cells(EPC)can migrate, proliferate and differentiate into mature endothelial cells.
目的：观察胶质源性神经营养因子在神经前体细胞的存活和分化过程中的作用及其协同因子。
AIM to observe the effects of glial-derived neurotrophic factors on survival and differentiation of neural precursor cells and its cooperative factors.
血管内皮祖细胞是一类能循环、增殖并能直接分化为血管内皮细胞的前体细胞。
Endothelial progenitor cell (EPC) is a subtype of progenitor cells that can circulate, proliferate and have the ability to differentiate into mature endothelial cells.
少突胶质前体细胞培养基是专门为少突胶质前体细胞体外分化设计的最适宜的培养基。
Oligodendrocyte precursor cell differentiation medium is a complete medium designed for the differentiation of oligodendrocyte precursor cells in vitro.
21世纪的美国汽车市场高度分化，汽车制造商需要足够灵活才能在10% - 15%甚至更低的市场份额中盈利，而不是通用汽车不到10年前力争的29%市场占有率。
S. auto market of the 21st Century, auto makers will need to be nimble enough to make money on 10%-15% market share or less - not the 29% that GM was aiming for less than a decade ago.
在关于认可利比亚前叛军运动的辩论造成非洲联盟内部的严重分化，其中包括与卡扎菲上校有着密切联系的几个国家。
The debate over recognition of Libya's former rebel movement caused deep divisions within the au, which includes several countries that had close links with Colonel Gaddafi.
结论胚胎干细胞来源的神经前体细胞移植PD大鼠纹状体后能分化为TH阳性的神经细胞，对PD有治疗作用。
ConclusionThe NPCs derived from ESc differentiated into TH-positive neurons after being grafted into the striatum of PD rats, which produced therapeutic effect on PD.
目的：探讨来源于人胚胎脑室下区(SVZ)的胶质纤维酸性蛋白(GFAP)阳性神经前体细胞系向神经元分化的潜能。
Objective: to investigate the ability of human GFAP positive neural progenitor cell line from the subventricular zone (SVZ) to differentiate into neurons.
ZT含量在冬前花序原基分化其呈逐渐上升的趋势。
The ZT content kept a steady upward in the differentiation stage of pre-winter inflorescence primordium. 3.
目的：研究脑源性神经节苷脂诱导成年大鼠骨髓基质细胞定向分化为神经前体细胞的作用。
Objective: to study the effects of brain gangliosides on inducing marrow stromal cells (MSCs) into neural progenitor cells.
目的探讨SW872前脂肪细胞分化过程中脂联素受体基因表达的变化。
Objective to explore genes expression of adiponectin receptors during differentiation of SW872 preadipocytes.
目的探讨六味地黄丸对大鼠前脂肪细胞增殖与分化的影响。
Objective To investigate the influence of Liuwei Dihuang pills on proliferation and differentiation of rat preadipocytes.
是指分化成心肌细胞(肌细胞，心脏)的前体细胞。
Precursor cells destined to differentiate into cardiac myocytes (myocytes, cardiac).
值得一提的是，我们观察到经来自msc的上清培养后，由于分泌性IL - 6的存在，骨髓前体向D C细胞的分化被部分抑制。
Moreover, we show that the differentiation of bone marrow progenitors into DC cultured with conditioned supernatants from MSC was partly inhibited through the secretion of IL-6.
值得一提的是，我们观察到经来自msc的上清培养后，由于分泌性IL - 6的存在，骨髓前体向D C细胞的分化被部分抑制。
Moreover, we show that the differentiation of bone marrow progenitors into DC cultured with conditioned supernatants from MSC was partly inhibited through the secretion of IL-6.
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