Whether the selection of grassland grazing systems is reasonable has direct influences on sustainable utilization of grassland resources, bioenvironmental quality on grassland and herdmen's income.

草地放牧制度选择的合理与否，直接影响草地资源的持利用和草地生态环境质量以及牧户经营收入。

Biorefinery is a new industrial mode substituting renewable biomass for unrenewable fossil resource to produce bioenergy or chemicals and securing the sustainable development of social economics.

生物炼制是以再生生物质资源为原料,生产能源与化工产品的新兴工业模式。

The actual land use planning didn't lucubrate into the sustainable land use deeply, thus it was placed into an embarrassed condition facing the issues of environment.

对土地持利用研究的不够深入,使得我国现行土地利用规划在面临区域生态环境问题时常常处于尴尬境地。

Due to the lagged manufacturing technology, lower efficiency and unbefitting consumption pattern, etc, there is a big challenge of energy-environmental sustainable development in the cities in China.

由于上游产品工艺相对落后、加工效率较低、下游消费格局有待改善等原因，使得当前中国城市发展中的能源环境的持性面临巨大挑战。

So, its sustainable land use is a primary factor of sustainable development of Tianjin.Tianjin new coastal area locates on the estuarial area and seashore where ecological environment is vulnerable.

作为天津经济发展的龙头，其土地持利用不仅对滨海新区乃至整个天津市的持发展都具有至关重要的作用。