Objective To study the biological significance of HBV preC/ C gene mutation.

Design of Prestress Tendon Curve and Application of Software PREC

预应力筋束形设计及PREC软件应用

Expression of HBV prec/ c gene in baculovirus vector system

乙型肝炎病毒preC/C基因在杆状病毒载体系统中的表达

They called this row of hawthorns a hedge

他们称这排山楂树为“hedge”（篱笆）。

Photosynthetic and Chlorophyll Fluorescence Characteristic of Ornamental Hawthorns under Summer Heat Stress

观赏山楂耐热性及其叶片光合与叶绿素荧光特性研究

Investigation on the resources and present cultivation conditions of the Chinese hawthorns in central Inner Mongolia

内蒙古中部地区山楂资源及栽培经验与问题

For Vietnam Airlines, in recent years, the main development concentrates on global routes is more and more with high density, undertake other tasks of transportation, and becomes a new mode of transport development.

对于越南航空公司而言，近几年的发展主要体现在全球的航线越来越密集，并承担这越来越重要的运输任务，成为了一种发展迅速的新型运输方式。

Therefore, to win longer-term economic interests and development, Vietnam Airlines ( VNA) must not overlook the importance of customer satisfaction.

所以，要赢得更长久的经济利益，并致力于更长远的发展，越南航空公业一定不能忽视对客户满意度的重视和提高。

A spokeswoman for the state-owned Vietnam Airlines declined to comment on the Chinese tourism slump, saying in an email that the company was still "collecting and evaluating" related information.

国营越南航空公司的一位女发言人拒绝对中国人入境旅游市场的衰退进行置评，她在一份电子邮件中说，这是因为该公司仍在“收集和评估”相关信息。

A spokeswoman for the state-owned Vietnam Airlines declined to comment on the Chinese tourism slump, saying in an email that the company was still collecting and evaluating related information.

国营越南航空公司的一位女发言人拒绝对中国人入境旅游市场的衰退进行置评，她在一份电子邮件中说，这是因为该公司仍在收集和评估相关信息。

I just wanted some keepsakes so that when I got home,

我只是想在我回家时，还能看到一些我带回来的纪念品

Problem: Special keepsakes are put away in boxes.

问题：盒子里收满了纪念品。

PVF fine filter material and new YG series oil filter

PVF精密滤材及新型YG系列油过滤机

Research on Modification of Fly Ash Used as Coating Material of Oilfield Sewage Fine Filter

油田污水精细过滤腹膜材料粉煤灰改性研究

Fine filter for water injection in low-permeability oilfield

低渗透油田注水用三级精细过滤器

It contains a fine filter to exclude particles of dust or dirt which may have found their way into the tank.

它包括一个细滤器，用来滤除可能混入油箱中的灰尘或脏物。

The China-New Zealand relations have gone beyond the bilateral scope and set a fine example for the pursuit of successful state-to-state relations.

中新关系发展已经超出双边范畴，为国与国探索成功的相处之道提供了范例。

Switzerland, a fine example for Singapore

瑞士&新加坡的好榜样

America's63 million volunteers are setting a fine example for our nation.

美国六千三百万志愿者为我们国家树立了一个好榜样。

Fatigue Life Prediction for Fine Pitch Device Soldered Joints Based on Creep Model

基于蠕变模型细间距器件焊点疲劳寿命预测

The Study of Solder Bridge in Fine Pitch Devices

细间距器件焊点桥接研究