基于网络的以一站式服务集合体为中心的农业社会化服务体系研究

传统农业社会化服务体系主要是建立在实体服务和直接接触服务基础之上的。近年来,随着我国手机的普及和移动通信技术为基础的互联网的快速发展,通过网络办理各项业务成为可能,且能给广大农业工作者提供足不出户即可解决各种农业生产需求的便利。因此,建立一种基于网络的以一站式服务集合体为中心的农业社会化服务体系是符合当前现代农业生产模式需求的。     

GREENHOUSE WARMING: Dueling Models: Future U.S. Climate Uncertain

A U.S. national assessment, drawing on the best available climate model predictions, has concluded that the United States will indeed warm, affecting everything from the western snowpacks that supply California with water to New England's fall foliage. But on a more detailed level, the assessment often draws a blank. As much as policy-makers would like to know exactly what's in store for Americans, the rudimentary state of regional climate science will not soon allow it, and the results of this 3-year effort brought the point home.