乘积积累PA码
product accumulate PA codes
东、西部积雪异常
Snow cover anomalies over east-and west-Plateau
冬春积雪异常
abnormal snow cover in winter and next spring
Snow anomaly in winter and spring
冬春季积雪异常
Abnormal Snow Cover in Winter and Spring
峰面积积分光度法
Peak area spectrophotometry