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1)  Pastoral reseeding
天然草地补播
2)  Natural grassland
天然草地
1.
New model for projection pursuit dynamic cluster and its application to classifying natural grasslands;
投影寻踪动态聚类模型及其在天然草地分类中的应用
2.
Analysis of time series spectrum feature parameters derived fromdominant natural grasslands in the region around Qinghai lake;
环青海湖地区天然草地时序光谱特征参量分析
3)  grassland [英]['ɡrɑ:slænd]  [美]['græs'lænd]
天然草地
1.
Evaluation of grassland ecosystem services in Xilin River basin;
锡林河流域天然草地生态系统服务价值评价
2.
Development of the Database and Information Management System of Poisonous and Noxious Plants in Grassland in Southeast of Qinghai-Tibet Plateau;
青藏高原东南部天然草地主要有毒有害植物数据库及其信息管理系统的研发
3.
Discussion on the countermeasures and techniques of grassland protection in Northwest China;
论西北天然草地保护对策与技术
4)  rangeland [英]['reindʒlænd]  [美]['rendʒlænd]
天然草地
1.
A Study of Rangeland Productive Potential and Limiting Factors in Inner Mongolia Autonomous Region;
内蒙古天然草地生产潜力及其限制性研究
2.
Data of representative grassland ecology during 1987-2004 and meteorological data during 1961-2004 were used in analysis of rangeland eco-environment change situation in water head region and Qinghai lake region, integrated to satellite remote sensing and social investigation data.
通过研究表明,在自然因素和人为因素共同驱动力的作用下天然草地生态环境出现了不良态势,最终导致天然草地退化和载畜能力下降。
3.
On basis of open-air survey materials of 298 plots,894 description and output examination spots,5960 point examination spots,study was done on the plant characteristic and community s characteristic on the natural rangeland of Chongli county of Hebei in the controlling Sand source areas around Beijing and Tianjing.
基于298个样地、894个描述及测产样方5、960个点测样方的野外调查资料,分析了京津风沙源治理区河北省崇礼县天然草地的植物物区系特征和群落特征。
5)  Rangelands
天然草地
1.
Researches on judging model for reasonable utilization of rangelands;
天然草地合理利用的判别模型研究
2.
The studies were carried on the regrowth yield, quantitative characters of vegetative propagation and sexual reproduction of Old World bluestem (Bothriochloa ischaemum) population in Shanxi rangelands.
本实验以山西天然草地中白羊草(Bothriochloa ischaemum)种群为研究对象,分析了其营养繁殖、有性生殖的数量特征以及刈割期和留茬高度对白羊草产草量和品质的影响。
6)  natural meadow
天然草地
1.
Soil moisture dynamic of natural meadow and its impacts on forage biomass in Qinghai Lake region
青海湖地区天然草地土壤水分动态变化及对牧草生物量的影响
补充资料:石油天然气国际贸易(见石油市场与天然气市场)


石油天然气国际贸易(见石油市场与天然气市场)


  石油天然气国际贸易(internotional tradeof011 and只as)见石油市场与天然气市场。
  
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