通过改变印版包衬厚度来弥补图文印迹的套印误差，在印版下多垫一张白纸，可使图文印迹在滚筒径向（）。

A.缩短

B.加长

C.不变

D.不确定

All of the following are characteristics of project management process groups EXCEPT:

A．The process groups are linked by the objectives they produc

B．The output of one process generally becomes an input to another process or is a deliverable of the projec

C．All of the processes will be needed on all projects, and all of the interactions will apply to all projects or project phase

D．When a project is divided into phases, the process groups are normally repeated within each phase throughout the project's life to effectively drive the project to completio