The rigidity, density, conductivity of sponge is produced strictly according to OEM standard, the printing blackness is completely coherent with OEM.
转印辊的海绵硬度、密度、导电性均严格按照OEM标准生产，打印黑度与OEM完全一致。
2
We adopt the method of the relative composite standard uncertainty for estimating the uncertainty of copper alloy electric-conductivity measured by Kelvin method.
采用相对合成标准不确定度的评估方法，对用开尔文法测量铜合金导电率结果的不确定度进行了评估。
3
Seed size of bottom pod is heavier than those of middle and top. Standard germination and AA test values are higher than those of top, the conductivity is lower than that of top.