并不是珍贵的木材，因为它们干燥时容易裂开和弯翘。
Are however, not valuable as timber because of their tendency to split and warp when dried.
说明采用七自由度单元的有限元法进行矩形截面简支梁的弯翘分析，有很高的精度，可以代替繁琐的解析解。
The result shows seven-freedom unit finite element method has high precision to analyse simple beam of rectangular section, it can replace complex analytic solution.
弯、剪、扭复合作用下的予应力工字梁，由于翘扭变形的存在，使得对它进行理论研究和实验研究非常困难。
Owing to the existing warping torsion, it has been rather difficult to make a theoretical and experimental study of the prestressed concrete I -beams under combined mixed torsion. flexure and shear.
在本文研究中考虑了弯扭耦合、翘曲刚度、转动惯量和剪切变形的影响。
The effects of bending-torsion coupling, warping stiffness, shear deformation and rotary inertia are taken into account in the present formulations.
天气太热时，唱片会弯翘。
为了将收缩弯翘控制在可以接受的程度，均衡的冷却设计变得非常重要。
An even cooling design becomes very important to control the shrinkage and warpage at an acceptable level.
应变测量基础——介绍应变，应力，印制板弯翘的概念以及应变片等。
Fundamentals of strain Measurement -definition of strain, stress, board flexure and strain gages.
以及潮湿地区因木材纤维管膨胀所引起木材弯翘和裂缝现象。
And wet areas due to expansion caused by wood fiber tube warping and cracking phenomenon of wood.
以及潮湿地区因木材纤维管膨胀所引起木材弯翘和裂缝现象。
And wet areas due to expansion caused by wood fiber tube warping and cracking phenomenon of wood.
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