Postoperative regurgitation, stenosis, and immune rejection occur, lead to a pipeline of early loss of power, need to double or multiple surgeries to replace the VHC.

Objective: This study is to review the early experience of cryopreserved valved homograft conduit ( VHC) for congenital heart disease in children.

目的：报告应用同种带瓣管道（VHC）在儿童先心病治疗中的经验。

Conclusion: The satisfactory results indicate that VHC is the ideal material for the treatment of congenital heart disease in children.

结论：本组结果表明VHC是儿童先心病右室流出道重建的理想材料。

VHE& A Service-provided Method in Future Heterogeneous Network Environment

VHE&未来异构网络环境下的业务提供方法

Furthermore, some policies are proposed to optimize the implementation of VHE service platform.

另外，首次细化了用于实现VHE概念的代理粒度，同时提出了一些策略，优化VHE业务平台的实现。

Analysis of Agents Granularity's Effect on the Performance of Agent-based VHE

基于代理技术的VHE中代理粒度对网络特征的影响

Implementation of VHE Subsystem in Intelligent Mobile Service Platform

智能移动业务平台中VHE子系统的实现

Research on VHE and its Device Management Technology

VHE中设备管理技术研究

This paper first introduces the basic concepts of VHE and its architecture model.

首先介绍了UMTS中VHE的基本概念及其结构模型；

Study and Implementation of Service Present Mechanism in VHE Systems

VHE系统中业务呈现方式的研究与实现

A CPU that is assembled Micro-Controller and Digital Signal Processor and Hardware-based Video Encode/ Decode Module ( [ MC+ DSP+ VHM]) is used for the hardware solution and embedded linux operating system for the software solution.

提出了嵌入式无线可视门铃系统解决方案，采用集微控器+数字信号处理器+视频编解码模块于一体的CPU（[MC+DSP+VHM]）为硬件方案以及采用嵌入式linux操作系统为软件方案。

Owing to the advantages in high storage capacity, fast data transfer rate, and short access time, volume holographic memories ( VHM) are considered to meet the needs.

体全息存储器因其存储密度高、存储容量巨大、存取速度极快的独特优势，可望满足这种需求。

This thesis is aiming at pattern recognition with image bases stored in VHM.

本论文工作的目的就是采用体全息存储器对图像库进行模式识别。

These paper also expressed relevant theories on pattern recognition with image-base using VHM.

本文同时介绍体全息存储技术的有关内容，并对体全息图像库模式识别的有关理论进行阐述。

The material has better mechanical properties than that of natural tooth in bending strength ( 142MPa), fracture toughness ( 4.75MPam~ ( 1/ 2)), hardness ( VHN 5.33GPa).

并具有比天然牙更优的力学性质，如抗弯强度（142MPa）、断裂韧性（4.75MPam~（1/2）），硬度（VHN5.33GPa）等。

Study on two kinds of methods ( vhr and shr) to calculate chemical kinetic parameters in temperature programmed desorption

VHR和SHR两种方法在程序升温热脱附中计算化学动力学参数的研究

They call this, VHR, very high readiness.

他们管这个叫VHR，非常高的准备。

Study on Semi-automatic Building Extraction from VHR Remotely Sensed Imagery

高分辨率遥感影像建筑物半自动提取方法研究

The mechanism, which firm utilizes virtual human resource ( VHR) is studied.

从交易费用的角度对企业应用虚拟人力资源的机理进行了研究。

Director told me that in a low voice: "The women VIH ( English is HIV) positive."

主任轻声告诉我：“这位妇女VIH（英语是HIV）阳性。”

Research into VIH System

VIH系统的探讨