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其中,不减数配子是多倍体形成的主要机制。And union of unreduced gametes is the most important mechanism.

在植物中未减数配子非常普遍,他们可能代表了多倍体形成的最普遍的方式。Unreduced gametes are common in plants and likely represent the most frequent route to polyploidy.

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它是一种具有还原层和未还原层、驱动位移极大的新型驱动材料。It is a new kind of large displacement actuating materials composed of reduced and unreduced layers.

多倍体产生与体细胞染色体的加倍、未减数配子的融合以及一种叫三倍体桥的方法。Polyploids can arise by somatic doubling, by the fusion of unreduced gametes, and by means of a triploid bridge.

尝试建立基本不经过简化的丝网滤清器三维模型,并对其进行单相和两相流的数值模拟。Attempted to establish unreduced three-dimensional model of wire mesh filter, and simulated it on single and two phase condition.

目的探讨儿童陈旧性孟氏骨折的手术方法并观察其疗效。Objective To discuss the surgical treatment methods and their clinical applications in old unreduced Montcggia fracture in children.

纯饮的口感有如香甜的麦芽饼乾、草莓和黑胡椒,与淡淡一抹薄荷和让人暖和的巧克力尾韵。The unreduced palate has sweet malt biscuits, strawberries and black pepper and a touch of menthol, with a warming chocolaty finish.

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未减数配子的形成导致了染色体自动加倍,这在普通小麦起源中具有重要意义。The formation of unreduced gametes leads to spontaneous chromosome doubling, which has a great significance in the origin of common wheat.

PO在载体和未还原催化剂上的吸附行为表明,PO与载体的硅羟基有强相互作用,PO发生开环反应生成开环物种。When PO is adsorbed on the support and unreduced catalyst, a ring-open reaction occurs through the interaction of PO with Si-OH on the support surface.

多倍体主要是通过未减数配子融合,体细胞染色体加倍以及多精受精三种方式起源的。The major cytological mechanisms of polyploid formation are union of unreduced gametes, somatic doubling and polyspermy. And union of unreduced gametes is the most important mechanism.