确定厂商可得性的指标包括( )。
A．缺货频率
B．一致性
C．供应比率
D．灵活性
E．订货完成率
参考答案：A,C,E
– We can use GPS to help us find the right way.
– Really? Will you show me it?
A. how can I use B. what to use C. how to use
气滞的发生和下列哪一脏的关系最不密切
A．心
B．肝
C．脾
D．肾
