In this paper, the above-knee prosthesis with a pneumatic swing control knee joint has been designed with the theoryofmechanisms, biomechanics and fluid mechanics.
本文应用机构学、生物力学和流体力学等方面的理论,对气压膝关节大腿假肢进行了较为系统的分析和研究。
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Prof Ostrom has challenged the conventional "tragedy of the Commons" theory, arguing that societies and groups regularly devise rules and enforcement mechanisms which stop the degradation of nature.
In theory this can use any of the mechanisms described for general SOA interactions and these controls will result in a user name which can then be used for the finer grained access controls.