释义 |
PDSICOCA³¹⁵¹¹¹⁺⁴ 基本例句 PDSI指数 The result shows that PDSI and surface moisture index can grasp rainfall, a decisive factor of drought. Moreover, they reflect the process of drought on a greater space and time scale. 对比研究表明: PDSI指数和地表湿润指数能抓住降水是干旱最重要的决定因素这一特征,并且,能反映出干旱过程具有更大的时空尺度。 cnki In the region with more actual evaporation, PDSI describes the severity of drought more precisely than percentage of precipitation anomaly. 在实际蒸发较大的地区, PDSI指数比降水距平百分率描述干旱强度更准确。 cnki |