近年来

This paper also analyzes the family change in terms of age-specific headship rate approach, and depicted the population distribution by various family household types for age groups.

本研究收集和分析了北京近年来人口普查的数据，研究了北京市人口与家庭、户居的变化历程，并探讨了这些变化背后的若干影响因素。

Recently, geographical information system is the combination of savior and operation and information regarding distribution of geographical space.

近年来，地理信息系统是储存和处理与地理空间分布有关信息的集合。

It has been shown that disturbances of the Wnt signal transduction pathway were significantly related to human neoplastic transformation.

近年来的研究表明，Wnt信号通路的紊乱与多种人类肿瘤的发生密切相关。

The transition metal catalysis reduction, hydride reagents reduction, sodium dithionite reduction and bioreduction ware discussed.

综述了近年来α，β-不饱和羰基化合物α，β-碳碳双键和碳氧双键的选择还原研究进展，讨论了过渡金属催化还原、氢化试剂还原、连三亚硫酸钠还原以及生物还原。

Experts point out that the lack of food plant fibre in recent years, diabetes, cardiovascular diseases, cancer more and more important reason, and that dietary fiber can prevent colon cancer, colorectal cancer, intestinal diverticulitis.

专家指出，食物中缺乏植物纤维是近年来糖尿病、心脑血管病、癌症越来越多的重要原因之一，而膳食纤维能预防结肠癌、直肠癌、肠憩室症等。

With the development of information industry,document image in digital information management is more and more important.

0引言近年来，随着信息采集技术的不断发展，文档图像在信息的数字化管理中越来越重要，文档图像处理逐渐成了人们的研究热点，例如，中英文文档图像混合识别[1]和基于内容的文档图像倾斜校正[2]等。

With the rapid development of electronics and computer technology, video image processing is increasingly being paid more attention and being used in a variety of fields, DMB( Digital Multimedia Broadcasting), consumer electronics, surveillance, medicinal imaging and document image processing and so on.

随着电子技术和计算机技术的飞速发展，视频图像处理技术近年来得到极大的重视和长足的发展，其应用范围主要包括数字广播、消费类电子、视频监控、医学成像及文档影像处理等领域。

In recent years the information technology is used in many domains. It is also used in education domains.

近年来信息化技术在各行各业都得到了很大的利用，在教育行业也不例外。

In recent years, there has been a heated debate centering on the use of domestication and foreignization in the translation.

近年来，归化与异化在翻译界引起了很大的争论。

Glass doped with semiconductor nano crystallites has been the focus of the photoelectron material science and technology for novel optical characteristics.

半导体纳米晶体掺杂的滤光玻璃由于具有良好的线性光学性质和显著的三阶非线性光学现象，近年来已成为光电子材料科学和技术所关注的焦点之一[1～ 3] 。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。