相接

Firstly, this paper reviews the development history of the methods of fault line selection for single phase to earth fault in networks with ungrounded neutral in China and other countries.

回顾了国内外小接地电流系统单相接地故障选线方法发展的历史，对现有的各种选线原理和方案做了系统的归纳，提出了尚需解决的问题，并给出了分析的结论。

In order to prevent linear PCV2 cyclization, PCR mutagenesis was used to construct the first molecular clone (pSK-2PCV2) by ligating two copies of the complete PCV2 genome with the pBluescript SK vector. In addition, pSK-PCV2 and ds-PCV2 were constructed. PK-15 cells were transfected with above three infectious clones.

本研究应用PCR诱变技术解决了外源片段易于自连的难题，成功将2个PCV2 SD1株全基因组(DQ346683)头尾相接插入到真核生物表达载体pSK的多克隆位点中，构建重组质粒pSK-2PCV2；另外课题组成功构建含单个PCV2全基因组的pSK-PCV2和自身环化质粒ds-PCV2。

On the basis of analyzing the law of variation of the zero order current , the zero order voltage and the zero order power in the isolated neutral system, a synthetic criteria principle of selecting the grounded fault line according to three criterias at the same time was put forward.

在对中性点不接地系统单相接地故障情况下零序电流、零序电压以及零序功率的变化规律做了认真分析的基础上，提出了采用3个判据同时判断的故障选线三合一综合判据原理，这个综合判据可以大大提高接地选线的准确率，具有一定的推广利用价值。

OBJECTIVE: To study the feasibility of bioprotein biphasic seeding technique for enhancing tissue-engineered bone construction in vitro.

目的：观察采用生物蛋白胶双相接种技术促进组织工程骨体外构建的可行性。

The septum articulates caudally with the anterior nasal spine .

鼻中隔的尾侧端与前鼻棘相接。

The maxillary processes extend in a cephalad direction form the piriform aperture to the lacrimal crest, uniting with the frontal and nasal bones.

上颌骨额突由梨状孔和泪嵴向头侧方向伸出，与额骨和鼻骨相接。

Now, right before us, the anchorage was bounded by a plateau from two to three hundred feet high, adjoining on the north the sloping southern shoulder of the Spy- glass, and rising again towards the south into the rough, cliffy eminence called the Mizzen-mast Hill.

在我们前方，锚地与一片高约两百至三百英尺的高地连接着。高地的北端与望远镜山的南坡相接，向南则逐渐拱起，形成崎岖多石的后桅山。

Two ends of s shape bent waveguide respectively coaxially link perpendicular waveguide input and output section.

直波导输入输出段、S形弯曲坡面结构、长方体结构和平面光传输波导位于基版的表面，S形弯曲波导位于S形弯曲坡面结构的表面，直波导输入输出段位于长方体结构的表面，基版上的直波导输入输出段和位于长方体结构上的直波导输入输出段通过S形弯曲波导连接，S形弯曲波导的两端分别与直波导输入输出段同轴相切相接。

This paper presents the way to configurate the distribution transformer,and the setting method for the stator earth fault protection with the example of Hubei Tiantang Pump storage power plant.

配电变压器的配置及其接地保护的整定计算主要包括选择合适的二次电阻、接地保护的动作电流、电压值及校验保护灵敏度和单相接地短路点的总电流值等。

Single phase-to-earth fault location for the small neutral earthed system is still a difficult problem to be solved.

小电流接地系统单相接地故障测距一直是电力系统中的难点，行波测距法在接地故障测距中得到应用发展。

He knows that he's one of the mostdominant players in the NBA right now.

我知道他现在是联盟里最有统治力的球员之一了。

Using analysis method of BCG , the dissertation analyzed the management of voluntary service organizations .

利用BCG分析方法对我国的志愿服务组织管理进行了分析。