有两极的

There are nine bivalents in pollen mother cells at late diplotene or early diakinesis, and the homologous chromosomes essentially arrange on the equatorial plate at late metaphase Ⅰor early anaphase Ⅰ, then the two homologous chromosomes of each bivalent separate from each other and move to two opposite poles drawn by spindle fibers.

在减数分裂双线期末或终变期初，可以观察到9个二价体，在中期I末至后期I初，同源染色体基本排列在赤道板上，然后在纺锤丝的牵引下二价体的两条同源染色体分开，分别移向两极，每一极有9条染色体，从而确认该属植物的染色体基数为x=9。

The sub-culture stands for the culture pattern both including dominant culture character and special culture criterions, which formed in some social groups.

主导文化与反文化代表着对立的两极，亚文化则是指在某一阶层、群体中形成的既包含主导文化特征，又有鲜明独特的文化标准的文化形态。

Investigators will keep a close watch on the polar region and its variability, in order to gain a better understanding of how it works.

研究者们将会对金星的两极区域以及它的变化情况保持密切关注，这样才能对其变化过程有一个更好的掌握。

In the astronomy aspect, in 1672 Newton has formulated the reflecting telescope; He also explained not only the tide phenomenon, points out the tide the size the same lunar month related, moreover also has the relations with sun's attraction; Moreover, Newton extrapolated theoretically Earth is not a spheroid, but is the two-pole is slightly flat, the equator slightly drum, and explained the year old bad phenomenon from this and so on.

在天文学方面，1672年牛顿创制了反射望远镜；他还解释了潮汐的现象，指出潮汐的大小不但同朔望月有关，而且与太阳的引力也有关系；另外，牛顿从理论上推测出地球不是球体，而是两极稍扁、赤道略鼓，并由此说明了岁差现象等。

Telophase The final stage in mitosis and meiosis, in which the separated chromatids or homologous chromosomes of bivalents collect at the poles of the spindle and the nuclei of the daughter cells are formed.

细胞分裂的末期：是细胞的有丝分裂和减数分裂的终极阶段。在这个时期内，分离的姐妹染色单体或二价体的同源染色体向纺锤体两极聚拢，同时子代细胞核形成。

Theories of the nature of primitive religion have moved between two poles: one intellectualistic and rational, the other psychological and irrational.

理论的性质，有原始宗教之间移动两极：一个intellectualistic和合理的，其他心理和不合理的。

For LER to work well, there must be as many neutral voters as the difference in size between the polarized factions.

路由器的工作为好，必须有许多中间选民的差异大小派别之间的两极分化。

Otherwise, overabundant emphasis on the limits and effects of rural economy development on rural social security will polarize continually the health care system between the city and the rural.

否则，过多地强调农村经济自身发展对农村社会保障的限制和影响，有可能会继续加大中国城乡医疗保障制度的两极分化。

Also, doctors should be informed if there is any history of bipolar or manic-depressive disorder in the extended family, which can be a clinical concern if a doctor is considering using SSRIs or other antidepressants.

此外，医生应当告知如果有任何历史的两极或躁狂抑郁症的大家庭，这可以是一个临床问题，如果一名医生正在考虑使用SSRIs抗抑郁药或其他。

They hope that her resignation has opened a space for a less polarising and more competent candidate.

他们的希望是以佩林的辞职，给更有能力而不那么两极分化的竞选人以空间。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。