中文摘要：

农作物面积信息对于准确估计农作物产量、制定农业政策和确保国家粮食安全具有重要意义。该文主要总结了国内外农作物面积空间抽样调查方法，主要回顾了美国、欧盟和中国的农作物面积空间抽样调查的发展历程。该文还预测了农作物面积空间抽样调查的发展趋势，希望能对农作物面积调查的研究和应用提供指导。

英文摘要：

Crop acreage information is very important for accurate estimating crop production, the policy-making of agriculture and ensuring national food security. This paper summarized the spatial sampling methods on crop area estimation, and reviewed the evolvement of spatial sampling survey on crop area estimation of USA, European and China. Finally, It analyzed the existing problems and discussed the develop tendency, and hoped to provide guidance on the research and application of crop area estimation.