上级管理阶层 senior level ; senior r level

管理阶层持股比例高 Managers own significant stakes

低级管理阶层 first-line management ; first line management

高级管理阶层 senior management

管理阶层主导 management centered

管理阶层的职责 management function

最高管理阶层 Top management

管理阶层判断 Management Approach

进入管理阶层 go into the management

物理阶层规范 physical layer specifications