Electric load : ΔR / R after 48 hours of rated power load does not exceed 1%. Collision : the frequency of 40 to 80 beats / min, acceleration 147m/s2 ;. Constant hot flashes : 40 ± 2℃, relative humidity of 93 ± 3 % ,ΔR / R does not exceed ± 1% after 96 hours.
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