The distance between the index finger and the thumb was estimated to be on average 69 per cent larger than the actual size of the participants’ hands.
关于食指与拇指之间的距离，估计值比参与者左手食指与拇指的实际距离平均要长69%。
Rest the backs of the hands on the floor as close as you comfortably can to the index finger knuckles. Make sure the shoulder blades are resting evenly on the floor.
手背到食指关节尽可能舒服的放在地面上，确保两个肩胛骨均匀的在地面上。
The researchers made photocopies of the palm of the children's hands and then measured the length of their index finger and ring finger on both hands using callipers, accurate to 0.01mm.
研究人员将孩子们的手掌影印下来，然后用卡钳测量食指和无名指的长度，精确到0.01 mm。
The researchers made photocopies of the palm of the children's hands and then measured the length of their index finger and ring finger on both hands using callipers, accurate to 0.01mm.
研究人员将孩子们的手掌影印下来，然后用卡钳测量食指和无名指的长度，精确到0.01 mm。
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