The paper mainly discusses the shearing bending of beam and the veracity of the hypothesis that there is no direct stress between the longitudinal fibers.
本文主要讨论梁横力弯曲，忽略纵向纤维间无正应力假设的准确性。
A method of making fibers comprises forming a polymeric film having a body having a first surface and a second surface and having a longitudinal dimension.
一种制备纤维的方法包括：形成具有主体的聚合物薄膜，所述主体具有第一表面和第二表面并且具有纵向维度。
A method of making fibers comprises forming a polymeric film having a body having a first surface and a second surface and having a longitudinal dimension.
一种制备纤维的方法包括：形成具有主体的聚合物薄膜，所述主体具有第一表面和第二表面并且具有纵向维度。
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