1.
Some critical question for grassland farming in northern China
中国北方草地畜牧业的理论基础问题
2.
The Study of the Impact of Climate Change on the Grassland Production in the North of China;
气候变化对中国北方草地生产力的影响研究
3.
Studies on the Improvement of Degraded Grasslands in the Semiarid Regions of Northern China;
中国北方半干旱区退化草地改良技术的研究
4.
Study on the Innovative Institution of Sustainable Utility of Grassland in North China;
北方牧区草地资源可持续利用的制度创新研究
5.
Classification management mechanisms for grassland resources and sustainable development strategies in Northern China
北方牧区草地资源分类经营机制与可持续发展
6.
Study on the fertility effect of planting herbage grass on saline-alkaline land of silting coastal area on northern China
北方泥质海岸盐碱地种植牧草肥土效果研究
7.
Reform of the Household Responsibility System for Sustainable Development in Pasturing Area in Northern China;
完善北方草原家庭承包制与天然草地可持续管理
8.
bronze plates of people of grasslands in North China
中国北方草原民族铜牌
9.
a meadowlark of eastern North America.
北美洲东部的草地鹨。
10.
a meadowlark of western North America.
北美洲西部的草地鹨。
11.
The Sahel is the area of Africa that lies between the Sahara desert to the north and more fertile land to the south.
荒漠草原是在撒哈拉沙漠和北方及南富饶之地的非洲地域。
12.
Grass output of natural grasslands in north China has dropped by 30-50 percent.
北方天然草原产草量下降了30％—50％。
13.
Successful modes of forest-grassland enlargement in northern area of China and ecological bases for their incorporation in grassland agro-ecological systems
我国北方地区扩大林草面积的成功模式及其纳入草地生态农业体系的生态学依据
14.
Study on Rainfall Interception Capability of Three Turfgrasses in Beijing Region;
北京地区三种草坪草截留特性的研究
15.
Wilderness forests give way to arctic tundra in the Far North.
原生森林一直延伸到极远的北方始由极地草原取代。
16.
For instance, many areas in northwest China should concentrate on growing forage grass in order to expand animal husbandry.
像西北的不少地方，应该下决心以种牧草为主，发展畜牧业。
17.
A Study on the Historical Change of Forest\Grassland and Eco-catastrophes in North China;
中国北方地区森林、草原变迁和生态灾害的历史研究
18.
Study on the Divergence Characteristics and Controlling Mode for Concentration Field of Carbon Dioxide in the Case of Industrialized Plant of Volvariella Volvacea in Typical Climatic Northern Area;
北方寒冷地区草菇室内栽培CO_2散发特性及浓度场控制模式的研究