At present, the kernel of GIS has shifted from data production to data updating which is the symbol of the sustainable development of GIS.
当前GIS的核心已经从数据生产转为数据更新,数据更新就意味着GIS的可持续发展。
参考来源 - 基于ORM的时空数据模型构建方法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
应用激光雷达数据生产高精度的数字地面模型,可为滨岸环境的研究提供精细的微地貌数据。
High resolution digital terrain model derived up from LiDAR point clouds can provide more details of microrelief information for tidal wetland environment researches.
根据联合国的数据,每年全世界生产的食物中有超过三分之一被浪费。
According to the UN, more than one third of all food produced worldwide goes to waste each year.
数据显示,如果把制造业和服务业归并在一起,那么自1987年以来,生产力平均每年增长1.2%。
The data show that, if you lump manufacturing and services together, productivity has grown on average by 1.2% since 1987.
And then you can look at food disappearance data and that's sort of a connection with the food production data: not so much how much is produced but how much of it is disappearing from the--the food supply.
然后看看食物消耗的记录,会与食物生产的数据,有某种联系,与其看在食品供应中生产了多少,倒不如关注被消费了多少
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