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奴隶主
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slave owner
奴隶主
奴隶社会中生产资料和直接生产者即奴隶的占有者,是人类社会史上的第一个剥削阶级。
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electron beam irradiation
electron-beam irradiation
electron beam lithography
electron beam lithography equipment
electron beam load
electron beam melting
electron beam melting purification of rare earth
electron beam melting technology
electron beam microfabrication of vacuum electronic device
electron beam modulation
electron beam parameter amplifier
electron beam perveance
electron beam physical vapor deposition
electron beam processing
electron beam quenching
electron beam resist
electron beam semiconductor device
electron beam-solid interaction
electron beam surface alloying
electron beam surfi-sculpt
electron beam tube
electron beam tube display equipment
electron beam welding
electron beam welding of nanowire
electron beam wire deposition technology
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