如图所示，一倾斜的匀质圆盘垂直于盘面的固定对称轴以恒定的角速度ω转动，盘面上离转轴距离2.5m处有一小物体与圆盘始终保持相对静止，物体与盘面间的动摩擦因数为。设最大静摩擦力等于滑动摩擦力），盘面与水平面间的夹角为30°，g取10m/s²。则ω的最大值是

A．rad/s

B．rad/s

C．1.0rad/s

D．0.5rad/s

Project Quality Management must address the management of the project and the（） of the project. While Project Quality Management applies to all projects, regardless of the nature of their product, product quality measures and techniques are specific to the particular type of product produced by the project.

A.performance

B.process

C.product

D.object