与所治疾病的病势相对而言的中药性能是( )
A．四气B．五味C．升降浮沉D．归经E．毒性
参考答案：C
The（）is a collection of modules serving as interface between hardware and software to provide a software platform.
A．computer
B．processor
C．application software
D．operating system
A．mgtgθ
B．mgsinθ
C．μmg
D．μmg
mgtgθ
mgsinθ