请各位帮忙把这段话汉译英````谢谢。不要机译

 Mechanisms for achieving subsystem integration:
 Rules and procedures
 Hierarchical referral
 Planning
 Direct contact
 Liaison role
 Task forces
 Teams
 Matrix organizations

 Contemporary organizing trends include:
 Fewer levels of management
 Shorter chains of command.
 Less unity of command.
 Wider spans of control.
 More delegation and empowerment.
 Decentralization with centralization.
 Reduced use of staff.

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