1.
By the time of the Southern and Northern Dynasties, this activity was already very popular in northern China.
南北朝时，我国北方地区已盛行此项活动。
2.
In the last years of the Qing dynasty, the Yihetuan had an influence on people in north China.
清末, 义和团在我国北方有很大影响。
3.
QUANTITATIVE ANALYSIS ON THE CLIMATIC CHAN GES OVER LAST 16000 YEARS IN NORTHERN CHINA
我国北方16000年来气候变迁的定量研究
4.
Identification of Major Ornamental Plant Diseases in North China and the Discovery of New Diseases;
我国北方主要花卉新病害及病原鉴定
5.
On winter sports tourism industry development in the north of China;
我国北方冰雪体育旅游产业发展浅探
6.
Discussion on the Ice - snow Effect the Northern Mass Sports in Winter;
论我国北方冬季群众体育的冰雪效应
7.
STUDY ON LAND USE IN THE ECOTONE BETWEEN AGRICULTURE AND ANIMAL HUSBANDRY OF NORTH CHINA;
我国北方农牧交错带的土地利用研究
8.
THE TEMPORAL AND SPATIAL CHANGE OF DROUGHT-FLOOD IN NORTHERN CHINA FOR THE LAST 50 YEARS;
近50年我国北方地区旱涝的时空变化
9.
Thinks on Laws of Controlling desertificationfor North Region in China;
我国北方地区防治荒漠化的法律思考
10.
Research on Energy Efficiency Assessment Method of Residential Buildings in Northern Area of China
我国北方地区居住建筑节能评价研究
11.
Ozone Budget in the Lower and Middle Troposphere over North China
我国北方地区对流层中下层臭氧收支
12.
Discuss the Sports Strategy of Northern Cities in the Winter
浅析我国北方冬季大众休闲体育战略
13.
Greenhouse Cultivation Technique of Medinilla magnifica in Northern of China
我国北方温室宝莲灯的生产栽培技术
14.
Reasons for Frost Boilling in Northern Area of Our Country
我国北方地区路基翻浆产生的原因及处理方法
15.
North part of our country international shipping center localization and development research;
我国北方国际航运中心的定位与发展研究
16.
APPRASAL ON THE NATURAL FOT-RESISTING OF THE HEARTWOOD OF IMPORTANT TREE SPECIES IN NORTHEAN CHINA
我国北方主要树种心材天然耐腐性评价
17.
RELATIONS BETWEEN EL NINO, INDIAN SUMMER MONSOON AND THE SUMMER RAINFALL IN NORTHERN CHINA
埃尔-尼诺和印度夏季风与我国北方6～9月降水
18.
Soil Nutrient Distribution Character of the Main Grain Production Region in North China;
我国北方粮食主产区土壤养分分布特征研究