long term located experiment

• 长期定位试验

long term located experiment的用法和样例：

例句

1. The wheat fertilizer recommendation technology system for the agriculture production on Loess Plateau is advanced by the fertilizer experiment data.
   利用肥料定位试验资料，提出了适合黄土高原农业生产的冬小麦施肥推荐技术体系。