本文给出了U型钢可缩性支架的缩动条件，讨论了卡缆预紧力对支架抗缩动能力的影响以及支架在缩动过程中抗缩动能力的变化等问题。
The paper gives yielding conditions and discusses the influence of pre-tension of clamps on yieldable capacity of the U-steel and change of yieldable capacity in the process of yielding.
介绍了U型钢可缩性支架缩动后的内力计算方法。
This paper gives the method of internal force calculation of U steel supports.
随着DIS规模及复杂度不断地增加，系统的可扩缩性是其面临的主要问题之一。
As the scale of distributed interactive simulation system is increasing rapidly, the dis faces the problem of system scalability.
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