在进行IT规划、操纵和决策制定时，有哪些角色、职责、结构和流程是已经存在于客户端站点的？

What roles, responsibilities, structures, and procedures already exist at the client site for it planning, steering, and decision-making?

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操纵稳定性中间位置转向试验最初是由美国德尔福公司制定的，是汽车在高速行驶条件下操纵性和稳定性的重要评价方法。

The central steering test method was initially developed by Delphi company in USA, which is an important evaluation method to measure vehicle handling and stability when driving at high speed.

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