pkf是什么意思

Hotels would rarely charge full price for their presidential suites, says Robert Mandelbaum, director of research information services at PKF Hospitality Research. 'The opposite is true now because of the high occupancy of the hotels,' he says.

酒店业研究机构PKF Hospitality Research调研信息部总监罗伯特&12539；曼德尔鲍姆（Robert Mandelbaum）称，以前酒店极少会全额收取总统套房的房费，现在的真实情况正好相反，因为酒店的入住率高了。

Philip Long, head of corporate recovery at PKF ( UK), the accountancy firm, even describes football as the last bastion of the trade union movement.

会计事务所PKF（英国）的企业复苏负责人Philip Long甚至将足球形容为工会运动的最后堡垒。

PKF algorithm can avoid the nonlinear coupling phenomenon between system parameters and state variables, and WGI procedure with an objective function is applied to obtain the stable and convergent solutions.

参数卡尔曼滤波算法可避免系统参数和状态变量之间的非线性耦合，同时通过带有目标函数的全局迭代算法保证能够获取到稳定、收敛的识别结果。