郑州四兰仪器仪表有限公司自2008年开始从事土肥快速检测产品的研发，设有专门的研发机构，建立了一支以土肥检测、化学分析、计算机软硬件为主的高科技团队。主要产品有土壤肥料养分速测仪，土壤营养测试仪，农药残留速测仪，肥料含量检测仪，水体营养 ...

U.S. President Donald Trump speaks to members of the media as he departs the White House September 26, 2025 in Washington, DC (Kevin Dietsch/Getty Images) President Donald Trump tore into Time early ...