北方

The freshwater ichthyofaunas mainly from northern China are characterized by primitive actinopterygians,and they are closest to those from Siberia and Middle Asia,and also contain some forms similar to the fishes from other regions of Laurasia and the Gondwanan continents.

与当时"南海北陆"的古地理格局一致，淡水鱼类主要分布于北方大陆的河湖相盆地，但也见于扬子板块与北方大陆碰撞后的四川盆地；海生鱼类则主要分布于华南和喜马拉雅地区。

Bengalensis is higher, on average 2.27%. The intersubspecies ranges from 2.73% to 6.590/c, and averages 4.0 1%. The analyses of nuclear DNA and mitochondrial DNA data are almost consistent, and V indicate considerablly abundant genetic diversity in leopard cat.

豹猫线粒体DNA控制区的序列差异在个体间为0.68％～6.59％，平均为3.14％，北方群体内差异较小，平均为1.71％，南方三个群体内的DNA序列差异平均为2.27％，而豹猫的北方亚种和指名亚种间差异较大在2.73％～6.59％之间，平均为4.01％。

Methods A resident （≥ 5 years） group of 30 214 people aged ≥35 years in seven small towns of Liaoning province was investigated by duster multistage and mandom sampling.

目的了解北方农村地区成年人群冠心病的流行病学特征和相关危险因素，为北方农村地区冠心病的防治和干预接供科学依据。

He said that his early pursuit was massiveness, similar with most of the artists in the North. Maybe it has something to do with the majestic Northern mountains.

他说他从前的创作追求厚重，北方的画家大多如此，也许与北方雄浑的山川有关。

It may be useful for improving the aged status and meliorate the living circumstance of them in Han society .

本文立足于北方中国蒙汉边际地区汉人社会家庭研究，通过比较闽台与北方地区汉人社会的轮养制家庭模式，探讨汉人社会"大家族"理念及其在现实中的适应性调整。

This thesis takes the strenuous search for cultural identity of the Dead family in Song of Solomon as the main line, embarks on the cultural identity of blacks in different periods, connects the pursuit of identity with their history in American society, outlines a vivid historical picture of blacks from the evolution of their identity (from the enslaved black to the emancipated freedman, to the northern migrator and then the youth born in the north), further explores the efforts made by the blacks on their way to seek their national outlets and build their cultural identity in different periods, points out the advantage and disadvantage of their choice, and finally draws to the conclusion that African American should not abandon their national tradition but at the same time they must stand on American society and find a sound integrity of the two cultures.

本论文以托妮·莫里森的第三部小说《所罗门之歌》中戴德家族寻求文化身份认同的艰难历程为主线，以黑人在不同的历史时期的文化身份的选择为切入点，把黑人对身份的探寻与他们在美国社会中的历史文化联系在一起。从黑人身份的演变(从奴隶到被解放的自由人到北方移民者到出生在北方的新一代黑人青年)勾勒出一幅美国黑人百年历史的生动画面，分析在不同时期黑人为寻求民族出路和构建文化身份时所做出的艰苦卓绝地努力和探索。同时也指出了他们所选择道路的利与弊。最后的结论是：在寻求种族出路时既要立足美国现实又不能抛弃种族传统，而应该努力找到二者的最佳结合点。

North seted up the audio-visual education professional institutions of higher learning in 14 subject construction in Nei Mongo Normal University held seminars, and established "northern region of colleges and universities subject collaborative audio-visual education group."

1990年北方地区开设电化教育专业的14所高等院校在内蒙古师范大学召开学科建设研讨会，并建立了"北方地区部分高等学校电化教育学科协作组"。这次会议上，在电教司的支持下，北京师范大学正式提出了"教育技术学专业"的名称及课程体系，引发了热烈的讨论，为教育技术学专业的发展奠定了基础

North seted up the audio-visual education professional institutions of higher learning in 14 subject construction in nei mongo normal university held seminars and established "northern region of colleges and universities subject collaborative audio-visual education group."

概要： 1990年北方地区开设电化教育专业的14所高等院校在内蒙古师范大学召开学科建设研讨会并建立了"北方地区部分高等学校电化教育学科协作组"。这次会议上在电教司的支持下北京师范大学正式提出了教育技术学专业。。。

What kind of competitive strategy to take is an unavoidable question in front of Northern Telecom, who stands for China Telecom in Northern provinces.

作为中国电信集团公司在北方新近成立的分支机构，北方电信应该采取什么样的竞争战略，是它必然要思考的问题。

Possessing the world's largest fixed-line telephone network that covers the whole country and controlling 21 provincial (municipal and autonomous regional) corporations in south China and additional 10 branch corporations in north China, which are controlled by its Northern Telecom Business Department, China Telecom can provide services nationwide and worldwide.

中国电信是中国最大的固定网运营商和综合信息提供商，由于拥有世界上最大的、覆盖全中国的固定网络，下属21个省级公司和另10个在中国北方的、由中国电信北方事业部控制的分公司，中国电信可以向全国和全世界提供业务。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。