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层级制
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hierarchy
层级制
政府行政系统纵向划分为若干层级,各层级的业务性质和职能基本相同,不同层级的管辖范围自上而下逐级缩小,各层级分别对上一层级负责,从而形成层级节制的金字塔结构。又称科层制。
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spontaneous desorption mass spectrometry
spontaneous desorption mass spectrometry (SDMS)
spontaneous disintegration
spontaneous emission
spontaneous emission coefficient
spontaneous emission steering
spontaneous emission trapping
spontaneous fire
spontaneous fission
spontaneous fission neutron source
spontaneous fission track
spontaneous force trap
spontaneous fusion
spontaneous generation
spontaneous ignition
spontaneous ignition temperature
spontaneous interoperation
spontaneous lactation
spontaneous magnetization
spontaneous mutation
spontaneous order
spontaneous ovulation
spontaneous parametric down conversion
spontaneous parametric fluorescence
spontaneous pneumothorax in elderly
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/10/14 19:03:15