This paper discusses the various forms of equilibrium equations and the related constraint conditions for conplanar forces and space forces.
根据力系平衡充要条件的解析表示，对力系平衡方程的各种形式及限制条件作了比较完整的描述。
This paper discusses the various forms of equilibrium equations and the related constraint conditions for conplanar forces and space forces.
根据力系平衡充要条件的解析表示，对力系平衡方程的各种形式及限制条件作了比较完整的描述。
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