Background: The choice of a bioprosthetic vs a mechanical valve in tricuspid valve replacement ( TVR) continues to be debated.

A kind of bi-directional TVR ( Thyristor Voltage Regulator) is developed for middle and low voltage distribution networks with long lines and disperse power facilities.

为解决长线路和带有分散发电设备配电网的电压调节问题，开发、研制了一种用于中低压配电网、能双向调节电网电压的晶闸管电压调节器TVR（ThyristorVoltageRegulator）。

Management and Innovation of TVU's Teaching Research Based on the Network Advantage

基于网络优势的电大教研工作的管理与创新

Analysis of the Design and Writing of TVU Online Teaching Materials

电大网络教材的设计与编写浅析

Using the Information Technology to Improve the TVU English Teaching

运用多种信息技术，优化电大英语教学

Research on the Rules of TVU Open Education Course Platform System Structure

电大开放教育课程平台体系架构规则的研究

The deterministic problem of minimizing total weighted deviations of job completion times from a common due date on a single machine ( abbreviated to TWD problem) is a typical scheduling model in Just-In-Time production environment. The general TWD problem is NP-hard.

完工时间与交货期偏差加权和最小化单机调度（简记TWD）问题是Just-In-Time生产环境下典型的调度模型，是NP-hard问题。

Next, select the source, Taiwan New Dollar TWD, and destination currencies using the scrolling selection boxes.

然后，请使用卷轴选取栏选取来源及目标货币。

[ Conclusion] TWD has good effect on FD patients in promoting gastrointestinal motility.

[结论]调胃汤有较好的促进胃肠运动的作用，是治疗FD的有效方剂，值得进一步研究。

To carry out the on-line cleaning in industry, a kind of cleaning equipment is devised according to the principle of the Two Way Flow ( TWF) technology, and two cleaning schemes is constituted.

根据双向流技术（TWF）的原理，设计了清洗中试的装置和两种在线清洗方案。

Since repeated FEM or BEM analyses for every instant are avoided by using the TWF method, the calculation procedure is greatly simplified, and the efficiency is raised to a great deal.

由于免除了对每一时刻τ所需作的有限元或边界元分析，计算过程大大简化，计算效率得到极大提高。

A comparison between two ways flow ( TWF) membrane filtration process and common membrane filtration process were made in a PVDF hollow fiber membrane separation process.

利用聚偏氟乙烯（PVDF）中空纤维膜，对比考察了双向流膜过滤工艺与普通膜过滤工艺。

Formulae which couple the TWF method with FEM were given based on the stiffness matrix derivative method and Gauss-Chebyshev Quadrature.

本文将热权函数与有限元法直接耦合，给出了基于刚度阵导数法和Gauss-Chebyshev积分的热权函数计算格式。

Thermal weight function ( TWF) method was introduced to calculate thermal stress intensity factors ( SIF) in axisymmetric thermal shock problems.

热权函数法利用温度与热权函数的乘积的积分来直接计算热冲击过程中裂纹尖端的应力强度因子过渡过程。

TWF is independent of time.

热权函数与时间τ无关。

At last, the online cleaning was carried out using the Two Way Flow ( TWF) technology.

最后进行了双向流工艺的在线中试研究。

TWG, a high-end tea bar in Singapore, sells the Okayti at$ 390 per kilogram while Teabox sells it as$ 180, less than half the price.

新加坡的高级茶吧TWG以每公斤390美元的价格出售欧凯帝（Okayti）茶园的茶叶，而Teabox则只售180美元，低于其价格的一半。

By appling Volume Current Method to the orthogonal coordinates, the scattering fields and the PERs of two types of TWG are calculated, the index profile of which is sinusoidal and step-index, respectively.

将体电流法应用于直角坐标系，计算了两种TWG结构的散射场及消光比特性，其折射率在纵向剖面上分别为正弦型和阶跃型分布。

In an effort to develop system standards for cloud storage, SNIA proactively created The Cloud Storage Technical Work Group ( TWG).

在为云存储开发系统标准的工作中，SNIA提前创立了Cloud Storage Technical Work Group（TWG）。

The effect of tripterygium wilfordii hook ( TWH) on cellular immune response and on anti-transplantation rejection

雷公藤总甙对细胞免疫应答的抑制作用及抗移植排斥作用

It has been calculated that 620 TWh can replace 100 million ton of oil, and the energy efficiency will rise 2.73%.

初步估算，输入6200亿kWh电量可以替代1亿t石油，提高能效2.73个百分点。