词汇	写入头
释义	写入头 write head
随便看	average relationship average relative deviation average relative discharge duration average relative error average relative humidity average relatively damage average relatively error average relative molecular mass average relative price average remaining lifetime average remuneration average rent average rental per year average repair average repeater section attenuation average repeat times average residence time average resistivity average responding ac converter average response average response computer average response histogram average response rate average response technique average response time