求翻译：研究短吊杆破坏的机理，并考虑短吊杆在横向振动，考虑吊杆刚度影响，温度变化和冲击荷载引起的附加剪力、附件弯曲次应力对吊杆疲劳破坏性能的影响。是什么意思？

Study the mechanism of destruction of the short boom and consider the short boom in the horizontal vibration, boom stiffness considering the impact of temperature changes and the impact of the additional load caused by shear, bending secondary stress on the boom attachment fatigue performance.

Study of short derrick destruction, and taking into account short derrick in horizontal vibration, temperature, consider derrick stiffness effects arising from the change and impact load additional shear, annex bending stress at the derrick fatigue failure performance impact.

Studies mechanism which the short suspension bar destroys, and considered the short suspension bar in the transverse vibration, considered the suspension bar rigidity influence, the temperature change and the impact load cause additional shearing force, appendix curving secondary stress to suspensio

Study on mechanism of short suspenders damage, taking into account the short lateral vibration of suspenders, taking into account the Suspender stiffness effect, temperature changes and impact loads caused by shear, attachment of additional bending stress influence on performance of hanger rods fati

Study the mechanism of destruction of the short boom and consider the short boom in the horizontal vibration, boom stiffness considering the impact of temperature changes and the impact of the additional load caused by shear, bending secondary stress on the boom attachment fatigue performance.