介绍了浮球式海底取样器的结构、性能特点、典型应用及性能参数；
The structure, characteristics, typical application and feature parameters of floating balls subsea sampler are introduced.
安瓿球取样较移液管取样分析结果准确；
The results of sampling by using ampoule ball are better than that of sampling by using pipette.
方法 ：将摩西球囊霉接种于半夏无菌组培苗，于不同时间取样，通过染色镜检法观察丛枝菌根形成过程。
Method : The tissue culture plantlets of P. ternata were inoculated with G. mosseae, the formation of AM were sampled and observed with microscopy by staining.
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