在实验开始时，在水箱中搅动的是一支参考桨（用于初始化，是一种标准的、平板形、宽度分别为两厘米、六厘米或者是八厘米的桨叶）。
On the first run, the tank was stirred with a reference paddle (initially, a standard, flat shape with a width of two, six or eight centimetres).
亨利成功分辨出平板和圆柱形的，平板和波浪形的，以及波浪和圆柱形的桨。
Henry successfully distinguished between the flat and cylindrical paddles, the flat and undulating paddles and the undulating and cylindrical paddles.
汉克博士和威斯·科顿接着会使用不同形状的桨——三角形、圆柱形、平板形以及波浪形——的尾流对亨利进行测试。
Dr Hanke and Mr Wieskotten then tested Henry with the wakes of paddles of different shapes: triangular, cylindrical, flat and undulating.
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