目的探讨自动拍背对卧床者背部肌电活性的促进作用，并评估效果，探讨该法的最佳方案。
Objective to explore the stimulative effect of automatic backslap on myoelectric activity of bedridden patients and to evaluate the effect to find out the best plan of automatic backslap.
目的探讨自动拍背对卧床者背部肌电活性的促进作用，并评估效果，探讨该法的最佳方案。
Objective to explore the stimulative effect of automatic backslap on myoelectric activity of bedridden patients and to evaluate the effect to find out the best plan of automatic backslap .
目的利用灰色层次分析法合理评估大跨度桥梁施工过程中的多种风险和确定最优施工方案。
Risk assessment is made in the paper for long span bridge construction and the best construction document by "AHP-GRAY" is determined.
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