将等效负荷直接加到提升臂上，完成拖拉机在线提升试验。
The equivalent load is added on lifting arm to finish lifting test.
本文根据静力学完全等效原理提出一种精确数值解法，并对余弦分布的轴承负荷转为节点力的解法作了具体的数学推导，得出了精确数值计算公式。
Based on the equivalent theory of statics this paper presents an accurate numerical method and accurate numerical formulas for calculating the bearing load distributed by cosine curve law are derived.
椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。
Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.
椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。
Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.
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