Method Distribution of Escherichia Coli was learned by spotsampling.
方法采用病房现场采样，了解大肠埃希菌的分布。
2
Spotsampling carried out by a crew on the supplying bunker barge in a major European port.
在欧洲的一个大港口， 一个加油船上的船员正在用局部取样法取样。
3
The main problem with spotsampling being that it is not collected during entire bunkering process but only represent the fuel supplied in a short sequence of time.