收益维修升水
Yield maintenance premium
机电维修维护
Electromechanical maintenance
维修维护
Maintenance and Servicing
servicing and maintenance
Maintaining
Fourier系数精修
refinement of Fourier coefficient
Rietveld结构精修
Rietveld analysis
Rietveld structure refinement
Rietveld refinement
Rietveld精修的x射线衍射
XRD with Rietveld refinements
Rieveld结构精修
Rietveld structure refinement
x-y二维精密工件台
x-y 2 dimension precision stage
β-环糊精修饰电极
Immobilizedβ-cyclodextrin