For making the theoretic results close to the fact, two methods used to calculate the internal force of beams with finite length bearing several point loads and on soil foundation were compared.
为了使理论结果能尽可能准确地反应实际情况，就土质地基上受多个集中力作用的有限长梁的内力计算方法进行了对比分析。
The dual-point meshing in single-drive BF flexible-transmission device will promote its bearing capacity by two small pinions which are setting in a small slung trolley to driving big one altogether.
双点啮合单驱动BF型多柔传动装置，通过在悬挂小车内设置两个小齿轮共同来驱动一个大齿轮，使其承载能力提高一倍。
The dual-point meshing in single-drive BF flexible-transmission device will promote its bearing capacity by two small pinions which are setting in a small slung trolley to driving big one altogether.
双点啮合单驱动BF型多柔传动装置，通过在悬挂小车内设置两个小齿轮共同来驱动一个大齿轮，使其承载能力提高一倍。
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