这些病例是通过急性弛缓性麻痹监测活动发现的并进行了调查，包括采集粪便标本进行实验室调查。
The cases had been detected through AFP surveillance activities and investigated, including collection of stool specimens for laboratory investigation.
这些听起来似乎是很明显的模式，但由于人类个体活动的数据难以采集，研究者们还无法对其进行精确研究。
These patterns might sound obvious, but as data on individual human movements are difficult to come by, researchers haven't been able to study them precisely.
并就保山地区采集文化的保护与采集活动的管理进行了探讨。
Some suggestions on collection culture protection and collection activity management were proposed.
应用推荐