第一次d30'(mm)31.390d30'(mm)27.641d30'(mm)28.811D307.905d25'(mm)31.358d25'(mm)27.305d25'(mm)28.472D257.549d20'(mm)31.002d20'(mm)26.939d20'(mm)28.112D206.840d15'(mm)30.595d15'(mm)26.557d15'(mm)27.721D156.027d10'(mm)30.132d10'(mm)26.072d10'(mm)27.224D105.051d5'(mm)29.550d5'(mm)25.480d5'(mm)26.655D53.938d5(mm)25.612d5(mm)21.550d5(mm)22.702d10(mm)25.081d10(mm)20.972d10(mm)22.110d15(mm)24.568d15(mm)20.511d15(mm)21.665d20(mm)24.162d20(mm)20.112d20(mm)21.260d25(mm)23.809d25(mm)19.758d25(mm)20.888d30(mm)23.485d30(mm)19.432d30(mm)20.566旋转0度旋转120度旋转240度单位/mm第二次第三次平均标准差8.2098.2458.1200.1877.5477.5847.5600.0216.8276.8526.8400.0136.0466.0566.0430.0155.1005.1145.0880.0333.9303.9533.9400.012第一次第二次第三次47.95847.96947.92814.85014.83814.77231.40431.40431.3500.031034劈尖尖端的位置(mm)纸片端的位置(mm)劈尖长度L(mm)L1(mm)25.74420.9814.763L2(mm)36.05331.2754.778L3(mm)30.78826.0244.7640.008386起始位置(mm)终止位置(mm)长度(mm)
