Indeed, the University of California system has already started to implement a sliding-fee scale.
实际上，加州大学已经开始在实行滑动收费的体制了。
2
VAT, resources taxes, and mineral compensation payments should be reduced or exempted while the internationally accepted slidingscale royalty system should be introduced.
减免石油工业的增值税、资源税和矿产资源补偿费，代之以国际通行的按滑动费率计算的矿区使用费；
3
The slidingscale, which is based on the World Bank's Standard of Living, is not the most ideal system, Reshef admitted, but it keeps administration costs manageable.