合理的城镇体系结构是区域经济的骨架，更是带动区域经济增长的极核和强大引擎。
Reasonable urban system's structure is framework of regional economy, it is also nucleus and great engine to prompt the development of regional economy.
子体中的极核和卵核遗传上是同一的。
The polar and egg nuclei of the female gametophyte are genetically identical.
雌配子体中的极核和卵核遗传上是同一的。
The polar and egg nuclei of the female gametophyte are genetically identical.
雌配子体中的极核和卵核遗传上是同一的。
The polar and egg nuclei of the female gametophyte are genetical ly identical.
精核染色质在极核里分散的时间大约需用1小时。
The scattering of the sperm chromatin in the polar nucleus takes about 1 hour.
极核细胞能自主融合成为一个次生大细胞，但未观察到融合后的细胞进一步分化。
Polar nuclei could autofused to a big secondary cell, but further differentiation of the cell was not observed.
这种原子核像缩微的陀螺围绕一根轴线自旋，产生磁性，像具有S极和N极的磁铁棒一样。
Such nuclei spin on an axis like miniature tops, giving rise to a magnetic moment, which means the nuclei act as if they were bar magnets with a north and south pole.
核小体有着葡萄状结构，由葡萄藤样的DNA链环绕组蛋白所形成，其作用是组织极长的DNA分子。
Nucleosomes are grape-like structures formed by strands of DNA wrapped like vines around histone proteins, and serve to organize enormously long DNA molecules.
建立了偶极矩、核四极矩偶合常数中的场梯度及晶体非线性光学系数的近似理论表达式。
Approximate theoretical expressions are given for dipole moment, field gradient at the nucleus, and nonlinear susceptibility of crystals.
CB能抑制卵母细胞激活后第二极体排出，从而提高原核的形成率。
CB can increase the two pronuclei formation rate of oocytes by inhibiting the extrusion of second polar body.
目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胚胎质量的关系。
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
本文讨论了高激发核中的同位旋标量表面巨共振和偶极巨共振。
The isoscalar giant surface resonance and giant dipole resonance in highly excited nuclei are discussed.
按其主树突的分布图式，可将鸽峡核神经元分成三类：（1）单极神经元，（2）双极神经元和（3）多极神经元。
The impregnated isthmic neurones are categorized into three types based on their dendritic patterns: (1) monopolar neurones, (2) bipolar neurones and (3) multipolar neurones.
近代的探险队已经从绿色冰山和冰核中带回了一些冰块样本，这些样本呈垂直的圆柱状，是沿着南极洲大陆的冰川冰架从极深的位置中取出的。
Recent expeditions have taken ice samples from green icebergs and ice cores—vertical, cylindrical ice samples reaching down to great depths—from the glacial ice shelves along the Antarctic continent.
基于推转模型和粒子转子模型关于奇奇核二准粒子转动带磁偶极约化跃迁几率的描述，对稀土区双奇核的这一行为进行了讨论。
Such a phenomenon is discussed based on the formula of magnetic dipole reduced transition probability deduced from the Cranking Shell Model and Particle Rotor Model respectively.
动物性极：与包含细胞核和多数细胞质的植物性极相对的卵的部分。
Animal pole: the portion of an egg opposite the vegetal pole that contains the nucleus and MOST of the cytoplasm.
"OK丘比特，"在其简介中给人的印象是机智、受过教育的时髦极客，主修数学，收集"傻瓜庞克"乐队的唱片以及正在写"呢喃核*"类型的电影剧本。
OK Cupid, in its profile, comes across as the witty, literate geek-hipster, the math major with the Daft Punk vinyl collection and the mumblecore screenplay in development.
"OK丘比特，"在其简介中给人的印象是机智、受过教育的时髦极客，主修数学，收集"傻瓜庞克"乐队的唱片以及正在写"呢喃核*"类型的电影剧本。
OK Cupid, in its profile, comes across as the witty, literate geek-hipster, the math major with the Daft Punk vinyl collection and the mumblecore screenplay in development.
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