Birdwatching tour is the most important form of ecotourism.

Go hiking, go birdwatching, get a dog, walk to work.

去远足，去观鸟，养一条狗，走路上班。

It's the peep show. It's 14 hours of birdwatching on a TV screen, actually 87 days on the web.

一个长达14个小时，静观小鸟的节目，在网络上播了87天。

Would you like to go birdwatching with us at Beijing Wildlife park?

你想和我们一块去北京野生动植物公园去观鸟吗？

The car is quite small, especially if you have children.

这辆汽车很小，如果有孩子就尤其显得小。

The boy was punished for being late.

男孩因迟到而被罚.

Feature HFG is constructed based on the proposed methods for ECG feature extraction and the messages involved in inference are computed. ( 5) Disease HFG based methods are studied for ECG disease diagnosis.

基于本文提出的心电图特征提取方法，构建了特征层次因子图，完成了推理所需相关消息的计算。（5）对基于疾病层次因子图的心电图疾病诊断方法进行了研究。

Methods Eighteen Wistar rats were divided into three groups: normal control group ( NCG), hepatic fibrosis group ( HFG) and hepatic cirrhosis group treated with complex pathogens ( HCG).

方法将18只Wistar大鼠分为三组：正常对照组（NCG）、复合因素致肝纤维化组（HFG）、肝硬化组（HCG）。

With the goal of constructing noise HFG, the variables and their relationships are analyzed, and main tasks are identified in ECG signal preprocessing.

以构建噪声层次因子图为目标，对心电信号预处理所涉及变量及变量间关系进行分析，确定了心电信号预处理的主要任务。

Methods are discussed and determined for computing messages in Feature HFG and performing inference in HFG for automated ECG diagnosis.

分析并确定了疾病层次因子图中相关消息计算以及心电图自动诊断因子图推理实现的方法。

HFG inference can be performed by transforming HFG to standard factor graph and applying inference algorithms of factor graph.

层次因子图的推理可通过将层次因子图转化为标准的因子图，再应用因子图推理方法进行实现。

Main tasks in ECG feature extraction are analyzed and identified according to the goal of constructing feature HFG.

以构建特征层次因子图为目标，分析并确定了心电图特征提取的主要任务。

The German HFG, ULM Pattern and the Development of Designing in the Third World

德国HfG，ULM模式与后进国家设计发展的关系

On a hot, sunny morning Eric Arndt, the Director for HFH China, met the Liverpool Volunteers for the70 km journey out of Shanghai to Pinghu.

在一个炎热晴朗的早上，“人类栖身地”中国区主管埃里克安德特，在上海郊外70公里的平湖与利物浦志愿者们见面。

AIM: Cardiac development associated genes were screened with subtractive hybridization between two human fetal heart ( HFH) cDNA libraries and a human adult heart ( HAH) cDNA library.

从人胎儿心脏cDNA文库和成人心脏cDNA文库，通过差减杂交，筛选心脏发育相关基因。

Methods: Human fetal hepatocytes ( HFH) infected with HCV in vitro were transplanted into the spleens of nude mice.

方法：将体外感染了HCV的人胎肝细胞（HFH）移植到裸鼠脾脏。

Conclusion Double irrigation digestive method via abdominal aorta and umbilical vein should first be selected in isolating HFH.

结论人胎肝细胞的分离应首选经腹主动脉及脐静脉双灌流消化法。

MIT Habitat supports local HFH affiliates through volunteer labor and fundraising.

他们通过志愿劳动和筹集资金的方法支持当地的HFH联盟。

Conclusions HFH transplanted in nude mice could survive for at least 6 months.

结论人胎肝细胞移植到裸鼠体内至少可以存活6个月；

Home Fall Hazards Assessment in Raising the Awareness of HFH among the Elderly

居家环境致跌因素评估在提高老人对致跌危险因素的认识中的作用

The wideband active signal detector is presented and simulation is given. The result proves this detector is efficient, and that non-rectangle enveloped HFM signal is the optimal detection signal.

给出了宽带主动信号检测器的形式，并进行了仿真研究，证明宽带检测器的有效性，同时验证了非矩形包络双曲调频信号为最佳检测信号。