心气虚,则脉细;肺气虚,则皮寒;肝气虚,则气少;肾气虚,则泄利前后;脾气虚,则饮食不入。
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亚射频辐射
亚射频辐射(sub-radiofrequencyradiation,sub-RF)是指频率≤30kHz的辐射,可分为极低频辐射(extremely-low-frequencyradiation,ELF,1Hz~3kHz)和甚低频辐射(very-low-frequencyradiation,VLF,3kHz~其中,频率为50Hz的电磁辐射为工频电磁辐射(powerfrequencyelectromagneticradiation)。
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sub-RF
亚射频辐射(sub-radiofrequencyradiation,sub-RF)是指频率≤30kHz的辐射,可分为极低频辐射(extremely-low-frequencyradiation,ELF,1Hz~3kHz)和甚低频辐射(very-low-frequencyradiation,VLF,3kHz~其中,频率为50Hz的电磁辐射为工频电磁辐射(powerfrequencyelectromagneticradiation)。
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射频辐射
射频辐射(radiofrequencyradiation)是指频率在30kHz~300MHz的电磁辐射,其中,频率在100kHz~30MHz的辐射为高频辐射(highfrequencyradiation),频率在30MHz~300MHz的辐射为超高频辐射(ultra-high-frequencyradiation)。