物理上分隔测试系统和产品系统，理想情况是，由两组不同的操作员来管理这些系统。
Physically separate a test system from a product system and, ideally, have two different groups of operators manage these systems.
除了标准的角色之外，我们增加了管理员、客户、操作员和工作组负责人的角色。
In addition to the standard ones, we have added roles for administrators, customers, operations, and workgroup leaders.
该组包括较低层次的操作和支持性岗位，如操作员，工人和司机。
This group includes lower level operations and support jobs, such as operators, laborers and drivers.
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