How to plan OTN in an economic and effective way is a hot spot in research field.

Upon the modeling of management objective, a complete management structure of OTN is proposed.

在对管理对象进行信息建模后，给出了一个整体的光传送网管理系统结构。

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INTERVENTION: The origin of spinal roots of the sacral plexus and sciatic nerv e, the distribution of corresponding spinal root between the sciatic nerve and ot her nerves were followed up.

干预：在20具尸体标本上追踪骶丛和坐骨神经的脊神经根来源、相应的脊神经根在坐骨神经和其他神经之间的分布。

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And how especially lucky the Struldbrugs are ！ Disease ， disas － ter ， and death can never touch them ！

这些斯特鲁布鲁格是多么特别的运气呀！疾病、灾难和死亡不能奈何他们！

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I just knew from the moment I saw her... she was going to be a complete and utter disas...

从第一次看到她我就知道~~~~她会是个大祸害

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Based on historical documents and investigation data, the main characteristics of earthquake disas-ters in Aba Prefecture were systematized and summarized in some degree and some proposals about the preparedness of potential earthquake disasters were offered.

本文根据文献记载和调查资料，就阿坝州地震灾害的主要特点作用了一些整理和归纳，对防御地震灾害隐患也提出了建议。

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The radiochemical purity of radioiodinated 7 α-O-IA-DPN is more than 95%, and still greater than 90% kept for 24 h at room temperature. Radiochemical yields is 81%~ 90%, and specific radioactivity is 83.25 PBq/ mol.

研制结果为：碘标记的7αO IA DPN放化纯度大于95%，标记率为81%～90%，比活度高达83.25PBq/mol，室温下放置24h，放化纯度仍大于90%。

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The visible absorption spectra of p-benzoquinone ( PBQ) in CS_2 were measured, and a weak absorption band around 507 nm attributed to n-π~ singlet-triplet transition was demonstrated.

测量了对苯醌（p-benzoquinone，PBQ）在CS2中的可见吸收光谱，论证了该实验中发现的507nm带来源于PBQ的n-π单-三态跃迁。

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The CIDEP spectrum of p-benzosemiquinone/ ethylene glycol ( PBQ/ EG) system has been obtained experimentally with the time-resolved ESR spectrometer by using 285 nm laser photolysis.

在285nm紫外激光辐照下，用时间分辨电子自旋共振（TRESR）波谱仪研究了对苯醌/乙二醇（PBQ/EG）体系，得到了发射的苯半醌中性自由基PBQH.和乙二醇碳自由基R。

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Because of the several resonance frequencies of multi-frequency antenna far from each other, we should guarantee enough bandwidth of PBQ which should cover all the frequencies.

由于多频带天线具有多个谐振点，并分布相差较远，光子晶体设计的关键问题之一是需要保证禁带带宽，使得能够覆盖多个谐振点，实现光子晶体结构对各个谐振频率点的优化作用。

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Based on the radiation protection monitoring, the radiation protection of a 2.8 PBq 60 Co irradiation equipment run about ten years are summarized and assessed.

从辐射防护角度，对一座2.8PBq60Co辐照装置运行近10年的辐射安全进行总结与评价。

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Structural Properties of a Small Plasmid from pBR 322 with Deletion and Recombination

由pBR322缺失重组构建的一个小质粒的结构特征

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In computer graphics, Point-based rendering ( PBR) is a very new research area.

基于点的真实感绘制是计算机图形学中的一个新课题。

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The number of defects found per person-hour was also less using the PBR technique.

使用PBR技术的找到缺陷所需的人时也少得多。

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PBR strategy is a better trade-off between the system reorganization time and service availability.

PBR是兼顾系统重组时间和系统服务可用性的折衷策略。

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Conclusion The key to prevent the complications is to control indications and to have the skillful procedure of PBV operation. It is profit for PBV safety to deal with complications during operation.

结论严格掌握PBV适应证、熟练操作，是预防PBV并发症的关键，处理好有关并发症，有利于提高PBV的安全性。

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Objective To analyze the complications of percutaneous balloon valvuloplasty ( PBV) in 1314 cases, and to study the causes and preventive method of the complication.

目的分析1314例经皮球囊瓣膜成形术（PBV）手术的并发症，探讨其发生原因和防治方法。

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Methods: The PBV and superior sagittal sinus were dissected with operating microscope on 40 adult cerebral specimens and their histological section were observed.

方法：通过手术显微镜和组织学切片，对40例脑标本的桥静脉和上矢状窦进行观测。

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Results A recombinant plasmid pBV/ IL-2/ PEA was constructed.

结果经鉴定，获得重组质粒pBV／IL－2／PEA。

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Here is my ticket, Numer Four.

四号,这是我的牌子.

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Dormitory a small numer number of students or many hundreds.

有的宿舍楼只能容纳少量的学生,有的则能容纳数以百计的学生.

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