理学 【价格指数】 释 producer price index;PPI 生产者价格指数 反映报告期工业企业生产相关的产品价格变动的指标。又称工业生产者价格指数。 理学 雷达气象学 释 plane position indicator; PPI 平面位置显示器 以雷达天线为中心、以设定的最大距离R为半径的极坐标方式展示雷达探测到的目标回波信息的装置。是一种最常见的雷达回波信息的图像显示方式。
PPI ①pictorial position indicator（雷达）图像位置显示器 ②plane position indicator （雷达）平面位置［环视扫描]显示器 ③present position indicator 目前位置指示器
计算机交叉学科 生物信息学 释文 protein-protein interaction, PPI 蛋白质-蛋白质相互作用
- agricultural warehouse
- agricultural waste
- agricultural waste pollution
- agricultural wastes
- agricultural waste treatments
- agricultural wastewater
- Agricultural Water Management
- agricultural water pollution
- agricultural water price
- agricultural water productivity
- agricultural water resources
- agricultural water use
- agricultural weather forecast
- agricultural wind energy resources
- agricultural wireless sensor network
- agricultural worker
- agricultural working time
- agricultural zone
- Agriculture and industrialization
- agriculture as the foundation of the national economy
- agriculture census
- agriculture commune
- agriculture company supply chain management
- agriculture economic history of Ancient Egypt
- agriculture economic history of Ancient Greece