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renewing period
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renewing period
Encyclopedia
农学
﹝经济林生长发育规律﹞
释
renewing period
衰老更新期
从产量出现连续下降,经济林树木生长势开始逐渐减弱,直至几乎没有经济产量为止的这段时期。又称更新复壮期、变产更新期。
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radiation sensitization
radiation sensitizer
radiation sensitizing
radiation sensitizing; radiosensitization
radiation sensor
radiation shape factor
radiation shield
radiation shielding
radiation shielding concrete block
radiation shielding glass
radiation shielding material
radiation shielding optical glass
radiation shield mortar
radiation shield of nuclear power plant
radiation sickness
radiation simulation method
radiation source
radiation source in industry
radiation source; radioactive source
radiation spectrum
radiation stability
radiation sterilization
radiation sterilization devices
radiation storage effect
radiation strength
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