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

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。

Research on VVA Torpedo Homing System Simulation

鱼雷自导系统仿真的VVA研究

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

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

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%。

[ 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）；

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。

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。

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。

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。

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。

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

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。

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。

Treatment of 26 Cases of Diabetes with VVC

糖尿病合并外阴阴道念珠菌病26例治疗体会

Accordingly this thesis raise that the TCM treatment of VVC method is mainly strengthening body resistance and detoxication.

据此，本文提出外阴阴道假丝酵母菌病的应以扶正解毒为基本大法。

The controlling job of automatic door is done by the PLC. VVF drives the motor.

自动旋转门主要由可编程控制器（PLC）负责完成控制任务，变频器（VVF）完成对三相异步电动机的驱动。

Therefore, VVI technique shows broad prospects in the noninvasive assessment of mechanical properties of arterial injury.

因此，VVI技术在无创评估动脉损伤的力学特征方面显示出广阔的前景。

Effect of tension from VVI pacing lead on hemodynamics

VVI起搏导线张力对血流动力学的影响

Cardiac function changes during different atrioventricular delay of dual chamber pacemaker and VVI mode pacemaker

双腔起搏器不同房室延迟间期及VVI模式起搏时心功能的变化