In each, 120 different transects are carried out by four to six teams of three-persons each, each transect lasting four days (so roughly each group completes 30 transects or so).
它们的任务是对120个截面进行调查。每个调查持续四天(因此每个小组大约要完成30个截面调查)。
OK, now you'll see three persons in a group. I'll describe one of them, listen carefully, then try to choose the right one.
现在看这些人物，我将会描述他们，仔细听，从三副画中选择我所描述的人。
Moving to the field that contain ball through group form, most of time, it is a kind of defending behavior through a unit of two or three persons.
表现出以小组的形式向有球的区域行动，多以2、3人为一个防守单位共同实施防守行为。
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