We have previously characterized the phenotypic properties of VTT both in vitro and in vivo and have identified its virulence property in causing the body weight loss in mice once inoculated directly through the intracranial route.

Furthermore, diminished CPE and/ or reduced cell-to-cell spread of the modified viruses occurred in most of the cells tested including human-derived cell lines compared with its parental VTT strain.

在多数动物细胞中包括在人源细胞中重组病毒具有比野生天坛株病毒更低的细胞到细胞间的扩散水平或更小的对细胞的毒性。

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Moreover, VTT is much less virulent than vaccinia WR but remains neurovirulent in mice and causes significant body weight loss after intranasal inoculation.

体内实验显示，尽管天坛株比神经毒性的WR株毒性弱很多，但天坛株仍保留相当的神经毒性，而且经鼻腔接种可引起小鼠体重严重下降。

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In addition, VTT produced severe cytopathic effects ( CPE) in nearly all the tested cells, including 4 human cell lines.

天坛株在几乎所有测试的细胞中均能产生严重的至细胞病变效应（cytopathic effects，CPE），包括四种人类来源的细胞系。

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The VTT Bank Card System

VTT银行磁卡系统

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VVA ( Velocity Variation with Azimuth) is stable but only can identity a large suite of reservoir and has inaccurate resolution for identifying thin reservoir.

速度随方位角变化法（VVA）比较稳定，但只能识别大套储层，对于识别薄储层的分辨率不够。

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One common purpose of verification, validation and accreditation ( VVA) and test and evaluation ( TE) is to reduce risks and increase credibility.

校核、验证和确认（VVA）与测试和评估（TE）的目的之一都是为了减少风险，增加可信度。

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In the end, the control strategy of VVA was applied in a 4V cylinder head and experimental results proved its good adaptability.

最后，将可变气门控制策略应用于4V发动机缸盖，试验结果表明，可变气门控制策略具有良好的适应性。

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Research on VVA Torpedo Homing System Simulation

鱼雷自导系统仿真的VVA研究

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Modeling and Research on VVA for Attack-defense Confrontation Simulation System of Aerodynamic Missile

飞航导弹攻防对抗仿真系统的模型构成与VVA研究

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Research on Conceptual Modeling Technology of Mission Space and It's VVA

任务空间概念建模技术及其VVA研究

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And thus less blood transfusion during the operation compared with standard technique of OLT with routine use of VVB. The occurrence rate of biliary complications was 5.98% and vascular complication 8.96%.

术后胆道并发症的发生率为5.98%，血管并发症的发生率为8.96%。

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[ Results] In both non-VVB group and VVB group, postoperative serum Cr and BUN were higher than the preoperative values, respectively ( P < 0.05).

结果非转流组与转流组术后血清Cr和BUN均明显高于术前（P<0.05）；

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When PFC stage uses VVB control, in order to reduce the input voltage range of the next DC-DC stage, this dissertation proposes a hybrid Boost PFC converter.

当PFC级采用变输出电压控制后，为了减小后级变换器的输入电压范围，本文提出一种复合式PFC变换器。

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Conclusions: Decreasing the operation time and stability of hemodynamics in anhepatic phase are the keys for success in OLTs without VVB.

结论：手术中无肝期时间的缩短及血流动力学的相对稳定是非转流条件下猪原位肝移植成功的关键。

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This dissertation proposes a novel control method that regulates the output voltage to vary with input voltage rms change ( VVB).

本文提出一种新的控制方式，保证输出电压随输入电压的变化而线性改变。

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Morbidity of VVC obviously is ascendant tendency long-term, extensive women is perplexed, and their physical and mental health is affected awfully.

VVC的发病率在全球有明显上升的趋势[1]。长期以来一直困扰广大的妇女，对妇女的身心健康造成了很大的影响。

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Therefore, VVC become a common vaginal inflammatory disease which female is persecuted by it and it is harmful to reproductive health.

因此，VVC成为困扰广大女性、影响生殖健康的常见的阴道炎性疾病，所以对它的相关研究显得尤为重要。

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The epidemic investigation on vulvovaginal candidiasis ( VVC) patients in high and low incident regions

VVC高发区与低发区患者的流行病学研究

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The VVC patients of highly incident regions used more dirty hygienic articles than the normal group.

高发组VVC患者与正常人群相比，更多地使用了不洁卫生用品。

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In China, using more dirty hygienic articles is one of the factors causing VVC.

在我国，使用不洁卫生用品是造成VVC的主要因素之一。

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