双线的

In this paper, by supposing the currents on the two lines are equal but opposite and with the application of bifilar transmission-line theory, the current-voltage relationships of the asymmetrical bifilar even transmission line are obtained.

该文在假设双线传输线两线上电流大小相等、方向相反的条件下，运用双线传输线理论思想，推得不对称双线均匀传输线的电压、电流关系。

The space that plays a window as far as possible those who choose crewel, be in otherwise did not open a page to be shut before.

1，弹窗的空间尽量的选择双线的，否则在未打开页面以前就被关闭了。

To investigate whether the expression of cdc2 and cyclin B1 in spermatogenic cells during spermatogenesis is actually a temperature dependent event, in situ hybridization, Western blotting and immunohistochemistry analysis were used to study the expression of cdc2 and cyclin B1 in normal and cryptorchid testis. Results showed that heat would differentially hurt male germ cells in different developmental stages during spermatogenesis, especially the pachytene primary spermatocytes. Most of spermatogonia in contralateral cryptorchid testis were not harmed fatally by heat as yet, indicating that spermatogonia could resist to beat to a certain extent. In this case spermatogonia could develop to pachytene/diplotene primary spermatocytes, but they could not acquire the ability to complete the transition from mitosis to meiosis, and then appeared to go through apoptosis. Therefore, we could not find the descendants of meiosis: secondary spermatocytes and round spermatids, elongated spermatids and spermatozoon. The abdominal temperature had no significant influence on the transcription of cdc2 and cyclin B1 in the spermatogonia and pachytene/diplotene primary spermatocytes. In normal rabbit testis, cyclin B1 increased in the pachytene/diplotene primary spermatocytes before meiosis and reached its peak in the spermatids.

为了解精子正常发生过程中cdc2和cyclin B1表达的低温依赖性，我们利用原位杂交和免疫组化等方法，研究了正常和隐睾精子发生过程中cdc2和cyclin B1的转录和翻译调控活动，结果表明：（1）热对各阶段的雄性生殖细胞都有损害，粗线期的初级精母细胞尤为敏感，实验性隐睾内的精原细胞尚未完全受到"致命"影响，说明精原细胞对热有一定的耐受性，但即使成为粗线期／双线期初级精母细胞，却未能获得由有丝分裂过渡到减数分裂的能力，呈现不同程度的凋亡，所以在整个切片中找不到源自减数分裂的产物----次级精母细胞、圆形精子细胞，更谈不上长形精子细胞和精子的形成；（2）腹腔高温未明显地影响隐睾精原细胞和粗线期/双线期初级精母细胞中cyclinB1和cdc2的转录，说明高温并不是通过影响cyclin B1和cdc2的转录活动而导致生精过程阻断的；（3）正常兔睾丸组织中，〓在精原细胞和粗线期／双线期精母细胞中均有表达：cyclin B1蛋白在减数分裂前期的粗线期／双线期初级精母细胞中的表达量增加，于变态末期的精子细胞中达高峰。

Centromeres could be identified easily on the bivalents at diplotene, so it was convenient to analyse the karyotype.

结果表明，日本沼虾染色体数n=52，2n=104，据双线期二价体的相对长度、着丝点位置以及形态诸方面的特点分析了核型，共分为A，B，C，D4个染色体组，核型组成是N=37M+4ST+11T；初级精母细胞减数分裂前期I可分为细线期/偶线期、粗线期、双线期和终变期5个时期，双线期的二价体存在弥散阶段，核仁明显，且双线期二价体着丝点清晰，给核型分析带来了方便。

Much excitement is therefore currently surrounding a new type of virus-- actually a bacterial virus, usually called a phage-- which is circular and double-stranded and which therefore has only a very low tendency to intercalate into other DNA at random.

因此，令人兴奋的是：目前正在围绕着一种新型的病毒？实际上是一种细菌病毒，通常称为噬菌体？它是环状双线的，因此它随机插入其他DNA的倾向性很低。

Two types of twisted-pair cable are shielded twisted-pair and unshielded twisted pair.

双绞线缆线的二类型是遮蔽双绞线和无遮蔽双绞线。

Peter Powel introduced a toy dual line stunter and the public began to fly kites not only for fun, but also for sport.

Peter Powel改进出一款双线的特技风筝，越来越多的人们参与到这项活动中来，并逐渐发展成为一项运动

There are 120 kinds of faults occurred in double circuit lines, for the existence of the cross country fault s.

但是，由于同杆双回线会发生跨线故障，致使同杆双回线的故障种类多达120种，并且同杆双回线的故障计算和分析十分复杂。

All of this makes literates tend to transform love story rather than other subject into opera, which push the prosperity of one-Sheng-and-one-Dan two-lane structure further.

而他们一贯以主人公为单线索进行的小说叙事，在戏曲体制与即时性的改造下也直接和生旦双线结构相契合，这使他们往往喜欢改造爱情故事而不是其他题材，从而进一步促进了生旦双线的繁荣。

According to this invention, the provided AC two-wire switch may greatly reduce the additional on-state voltage-drop and the additional off-state current, and furnish the best short-circuit protection and quick-acting overload protection.

根据本发明，被提供的交流的双线的开关可以极大地降低另外的接通的电压降和另外的关态电流，并且提供最好的短路保护装置和速动的过载保护。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。