要解决这个问题，两个问题必须得到回答。自然资源和生态环境到底给人类经济活动施加什么样的约束?。
To solve this problem, the two questions must be answered: what is the constraint that the nature resources and ecology environment put on the economic activity of human being?
材料产业是资源（能源）消耗和污染排放的主要责任者之一，并由此产生了深刻的生态环境问题。
Materials industry is an important responsible area of resource (energy) depletion and waste emission, which results in severe ecological and environmental problems.
面对全球森林资源匮乏，生态环境日益恶化的问题，保护环境、保护森林已成为人类的共识。
With the increasing issues of forest decreasing and environment degradation, environmental protection and forest protection have drawn more and more attention from all aspects.
但也有一些深层次的矛盾和问题不容忽视，主要表现为资源约束日趋突出，经济增长模式不合理、生态环境改善缓慢等。
There still exist contradictions and problems which are increasing resources limitation, unreasonable economic increasing mode, and slow improvement on ecology situation.
随着矿产资源开发强度越来越大，矿区地质环境问题对生态环境质量的影响日益突出。
With the strength of mineral resources development is larger and larger, it is highlight day and day that the mine area geological environment problems affect on the quality of the ecological one.
长江流域生态环境建设中必须注意资源植物的持续利用、防护林的质量和生态平衡等问题。
The sustainable use of resource plants, the quality of shelter forests and the ecological equilibrium are key problems in the environment construction in the Yangtze Basin.
我国矿产资源的资源安全问题已经越来越明显，矿业开发活动对社会生态环境的危害越来越严重。
Safe problems of Chinese mineral resources has been more and more evident, and mining exploitation movement has destroyed social and ecological environment more and more gravely.
水资源与能源、人口、生态环境等已成为世界各国普遍关注的重大问题。
Energy, population, ecological environment and water resource have become the important issue that countries all over the world have generally concerned.
基于黄河流域面临的三大水资源问题，提出了三种调控手段，水资源短缺的调控、水灾害调控以及生态环境的调控。
Based on three water resources problem of the Yellow River basin, put forward such three adjustment means as the lack of water resources, water disaster and environment adjustment.
陕甘宁盆地中部气田地处陕北黄土高原区，区内的环境问题突出表现为水资源缺乏，生态环境脆弱，水土流失严重。
The Gas Field in the center of Shan-Gan-Ning Basin is located in the loess plateau with poor water resources, weak ecology environment and serious water and soil loss.
水资源和土地资源的不合理开发利用是造成西部严重生态环境问题的根源。
The unreasonable exploitation and utilization of water and soil resources is the radical reason of causing serious ecological environment problems in the west part of China.
因此间作在解决人口不断增长，资源日益枯竭和生态环境恶化等问题方面具有重要的现实意义。
Therefore the intercropping has the vital practical significance in the solution population, alleviation the resources dry up day by day and ecological environment worsening and so on.
木质炭化物的高效开发利用，对解决废弃物资源化、环保、生态环境等问题将起到十分积极的作用。
To develop and utilize wood-based carbonized materials in an efficient way will play a positive role in waste resource recycling, environmental protection, ecology and so on.
作为我国西北和华北重要水源的黄河，正面临着水资源短缺、生态环境恶化等严峻问题。
The Yellow River, served as an important water resources in the Northwest and north parts of our country is facing the serious problems of water resource shortage and ecoenviron deterioration.
在资源和生态环境问题日益突出的今天，自然已经向人类发出了严峻的挑战。
Nowadays, the problems of resources and environment have become increasingly evident. Human beings are faced with severe challenges posed by the nature.
石羊河流域生态环境存在着严重的问题，主要是由于人口对生态环境的压力过大、水资源利用不当等因素引起的；
The problems of eco-environment of Shiyang valley are serious. The main factors of them are high pressure of population to environment and irrational utilization of water resources and so on.
现阶段矿产资源开发面临着生态环境压力大与解决矿区生态环境问题难度大的双重问题。
Mineral resources exploitation must face the pressure of the eco-environment and difficult issues to solve the problems.
水资源的合理有效利用是我国西部生态环境建设中的关键问题。
Sustainable utilization of water resources is the key issue of ecological construction and conservation in western China.
本文分析了晋陕蒙接壤地区资源开发中的生态环境问题，认为该地区生态环境问题主要有干旱少雨、风沙危害严重；地形破碎、沟壑纵横；水土流失面积大、侵蚀强度大。
The main ecological environment problems in the west China are a little rain and arid, serious hazard of wind sand, topography in pieces, vast hilly gully area and intense soil and water erosion.
近年来，生产、生活需水量不断增长，而水污染、用水浪费与水资源短缺并存，加剧了供需水矛盾，亦导致了一系列的社会经济、生态环境问题。
As water pollution and water waste exist with water short, a serious conflict of water supply and demand arise, accompanied with a series of water ecological problem.
随着移民范围和开发程度的迅速增大，水资源利用程度随之提高，水资源分布格局及地下水流场发生了重大改变，从而可能引发一系列生态环境问题。
With the rapid increase in immigrants, the utilization degree of water resources has been improved, leading to changes in the distribution of water resources and in the groundwater flow field.
随着移民范围和开发程度的迅速增大，水资源利用程度随之提高，水资源分布格局及地下水流场发生了重大改变，从而可能引发一系列生态环境问题。
With the rapid increase in immigrants, the utilization degree of water resources has been improved, leading to changes in the distribution of water resources and in the groundwater flow field.
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