图像摄取分系统，完成在现场实时观察记录瞄准手的瞄准过程，并通过相应的软硬件设计，实现操作手的瞄准过程光谱分光成像。
The PTAIS is used to watch and record aim process real time, and by relevant design of soft and hard, complete spectrum prismatic imaging of aimer's aim process.
方法应用系统抽样法进行现场查螺，现场和实验室模拟水淹实验观察钉螺存活情况。
Methods Systematic sampling method was used in field Oncomelania investigation, and laboratory and field simulating drowning methods were also performed to observe survival of Oncomelania.
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