BS ISO 12188-2-2012 农业和林业用拖拉机和机械. 农业中调位和导向设备用试验规程. 在直线和水平行进过程中基于卫星自动制导系统的试验
Tractors and machinery for agriculture and forestry. Test procedures for positioning and guidance systems in agriculture. Testing of satellite-based auto-guidance systems during straight and level travel