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social security system
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social security system
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social security system
社会保障体系
由社会保险、社会福利和社会救助三个子系统构成的社会保障大系统。
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microplastometer
microplate
microplate method
microplate suspension method
micropolar elastic solid
micropolar elastic wave
micropolar fluid
micropolariscope
micro-polluted water treatment
micropore
micropore aerator
Micropore filtration
micropore muffler
micropore optics
microporosity
microporous calcium silicate
micro porous layer
microporous slippage effect
micropositioner
micro positron emission tomography
micro-positron emission tomography
micropot
micro power grid
micro-power tiller
micro pressure injection
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