id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-032174-qu5mm9r1	Xu, Zhonglin	Sampling Theory	2013-08-14		.txt	text/plain	11559	587	66	Sampling is generally divided into the planktonic method (the airborne state of sampled particles remains the same) and the capture method (airborne particles are captured). So in the above circumstances, it may not be necessary to use large sampling flow rate particle counter.	cache/cord-032174-qu5mm9r1.txt	txt/cord-032174-qu5mm9r1.txt
