1.
Mining coal is one of primary factors to damage land resources, it not only decreases cultivated area, but also causes environment of mine destruction.
煤矿开采是对土地资源破坏的主要部分之一,不仅使耕地面积减少,而且造成矿区环境的破坏。
2.
The strictest farmland protection system currently practiced in China has not been successful in preventing the decline of arable land and basic farmland area.
我国实行最严格的耕地保护制度，但是仍然遏制不了耕地和基本农田面积的减少。
3.
A CONSIDERATION ON INCREMENT AND DECREMENT EQUILIBRIUM OF CULTIVATED AREA IN CHINA;
对中国耕地面积增减数量平衡的思考
4.
THE ACTUAL CHANGES OF CULTIVATED AREA SINCE THE FOUNDING OF NEW CHINA;
建国以来中国实有耕地面积增减变化分析
5.
The Increase and Decrease of Arable Land and the Influence on Grain Productivity
耕地面积增减变化及对粮食生产能力的影响
6.
the area of the grasslands has keeping decreasing, with the quality reduced;
草地面积持续减少，质量降低；
7.
The rising demand for food has reduced the area fallowed in key dryland farming regions.
日益增长的对粮食的需求，使主要干旱农业区的休耕面积大为减少。
8.
Despite China's vast territory, the amount of arable land is limited, and neither this fact nor the fact that we have a large, mostly peasant population can be easily changed.
土地面积广大，但是耕地很少。 耕地少，人口多特别是农民多，这种情况不是很容易改变的。
9.
They decided to bring more land under cultivation.
他们决定扩大耕地面积。
10.
The crop acreage could be quadrupled.
耕地面积可增加三倍。
11.
With the constant development of economy, there is fewer and fewer cultivated area in Jiangsu province.
随着经济的不断发展,江苏省可耕地面积越来越少。
12.
A study of the causes of cultivated land loss and countermeasures in Hebei Province;
河北省耕地数量减少原因及对策研究
13.
Study on the Causes and Countermeasures of Decrease in Farmland of Guangdong;
广东省耕地减少的原因及其对策研究
14.
Research on the Issue of Reduction of Our Cultivated Land--A Case Study of Wenzhou
我国耕地减少的问题研究——以温州为例
15.
The Minimum Area Per Capita of Cultivated Land and Its Implication for the Optimization of Land Resource Allocation;
区域最小人均耕地面积与耕地资源调控
16.
The analysis to sandy desertification land types shows that the moving sand dune decreases, semi-fixed sand dune and fixed sand dune increase.
从沙化土地类型上分析，流动沙地面积减少，半固定、固定沙地面积增加。
17.
Analysis on the Deviation of the Farm Land Area Estimate Reported in Statistics of the Prefecture-Grade Cities in Guangdong Province;
广东省各地市耕地面积统计偏差分析
18.
This results in a fourfold increase of heat (Correspondingly,heat drops by 75% if current density is reduced by half, e.g. by doubling the effective electrode contact area.
相应地，如果将有效的电极接触面积加大一倍，电流密度将减少一半，热量则减少75%。