Full range of motion over C1-C2 and peak screw pull-out force was quantified.
定量测定C1-C2最大活动范围和最大螺钉抗拔力。
The relationship between mean pull out force and content of powder is similar to "S" curve.
平均抽拔力与粉末含量的关系趋势基本呈“S型”曲线。
The relationship between mean pull out force and content of powder is similar to "S" curve.
平均抽拔力与粉末含量的关系趋势基本呈“S型”曲线。
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