双极的

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。

Our calculation results indicate that the nuclear system is more regular in two-j shell than single-j case, and the nuclear system becomes more chaotic with the increase of excitation energy.

在粒子转子模型的单j壳和双j壳框架下，对原子核的转动能谱进行统计分析，并讨论了四极形变和转动惯量对系统混沌行为的影响。

Subsequently, eight of the subjects with marginal vitamin C status completed an 8-week double-blind, placebo-controlled, depletion-repletion trial with submaximal exercise testing.

随后，八名的边缘学科地位完成维生素C八周的双盲、安慰剂对照、枯竭-补铁试验亚极运动试验。

In this thesis,new fluorescence carriers with good properties were synthesized and copolymerized under UV irradiation on the silanized glass or quartz disk and -the sensors prepared were studied.

本论文主要工作是合成新型具有可共聚端基双键、性能优良的荧光载体，将荧光载体与其它单体在紫外光照下共聚在经过处理的石英或普通玻璃上制成光极膜，而后研究其分析特性及应用。

Either way, a double-headed government promises tobe a source of extra instability.

无论是哪一种，一个双头政府极有可能是额外的不稳定的源头。

As the excellent materials for producing CD and DVD, Makrolon CD 2005 and DP 1-1265 are extremely easy-flowing, linear polycarbonate on the basis of bisphenol A.

作为生产CD和DVD的优良材料，Makrolon CD 2005和DP1-1265是以双酚A为原料，具有极佳流动性的线性聚碳酸酯。

"Each of the million or so nephrons in each kidney is a tubule 1.2-2.2 in.(30-55 mm ) long. At one end it is closed, expanded, and folded into a double-walled cuplike structure (Bowman's capsule) enclosing a cluster of capillaries."

每个人的肾脏约含100万个肾元，各肾元为一条长约30～55公厘的极细小管，该管一端封闭，膨大，折成双壁杯状构造，包覆着一团毛细血管。

Double Circle Fence After several years of wind, frost, rain and snow, sun exposure, or bright as new, anti-ultraviolet radiation are particularly adept at.

双圈护栏网经过几年的风霜雨雪，太阳的暴晒，还是光亮如新，抗紫外线能力极强。

Double Circle Fence After several years of wind, frost, rain and snow, sun exposure, bright as new, anti-ultraviolet radiation are particularly adept at.

双圈护栏网经过几年的风霜雨雪，太阳的暴晒，还是光亮如新，抗紫外线能力极强。

The detection data were judged immediately with the analysis software by editing MACRO for identification of metformin, phenformin, glibenclamide, gliclazide, glimepiride, gliquidone, glipizide and acarbose in samples with high sensitivity.

分析仪器为高效液相色谱－单四极杆质谱检测器，使用编辑好的MACRO数据分析软件，可以迅速得到胶囊和片剂类保健食品中二甲双胍等8种降糖药物的检测结果。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷