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  2018, Vol. 28 Issue (02): 0-0    DOI:
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P=Ps-φPsa<sub> </sub><sub> </sub><sub> </sub><sub> </sub>(1)<br> qV=qs×Ps-φPsaPSTSTθ (2) <br> qV=0.9817qs (3) <br> qd=qVPsPrTrTs (4) <br> qd=VNtPa-PsaPrTrTθ (5) qd'=qsPsPrTrTs (6)
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