id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-4787	Zhang, Puning	Analysis and Correction of Precipitation Observation Error in Henan Province	2023	3	.pdf	application/pdf	2719	109	42	Foreign research on precipitation observation error began in the 50s of the 20th century, and the United States, Britain, the Soviet Union and other countries carried out comparative experiments on precipitation observation by different rain gauges and achieved many important results. Precipitation observation error and its influence on the study of precipitation distribution in mountainous areas	cache/ajst-4787.pdf	txt/ajst-4787.txt