前者涉及到松弛态索杆体系的找形分析，后者可简化为平面连杆机构的运动形态分析。
The shape-finding analysis of slack cable-bar assemblies is involved in the former topic, and the motion tracing analysis of planar pin-bar mechanisms can describe the latter topic well.
表明该活动区松弛到了一个低能态但不是最小能量状态。
The active region was relaxed to a lower energy state, but not completely to the minimum energy state.
结果表明，退火状态的钛合金较固熔时效态的试样应力难于松弛，但这种差异随温度的升高而减小。
The result shows that the stress is more difficult to relax in ti alloy under annealing than in solution and aging, but this difference decreases, depending on the temperature increase.
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