求翻译：将3个样品从1m高度坠落到混凝土表面,每个样品坠落两次,坠落时样品同轴心的反面向下,每个样品坠落的轴线是不同的（图1、图2 、 图3 、 图4、图5）；是什么意思？

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Three samples will be from 1m high crashes into the concrete surface samples, each of which crashed when crashed into two, with an axis of samples, each sample crashed down opposite the Axis is different (Figure 1 and Figure 2, Figure 3 and figure 4 and Figure 5 );

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3 samples fall down from the 1M high into the concrete surface, each sample falls twice, falling under sample anti-oriented with the axis as you, are different in each axis of the sample falls (Figure 1, Figure 2, Figure 3, Figure 4, Figure 5);

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