側量均值(zhi)(zhi)(zhi)區(qu)的均值(zhi)(zhi)(zhi)度(du)：使(shi)電(dian)(dian)(dian)(dian)壓輸進為(wei)必(bi)定值(zhi)(zhi)(zhi)并待其一(yi)致，側量電(dian)(dian)(dian)(dian)感(gan)線(xian)(xian)(xian)圈其中人(ren)體(ti)(ti)(ti)(ti)電(dian)(dian)(dian)(dian)人(ren)體(ti)(ti)(ti)(ti)人(ren)體(ti)(ti)(ti)(ti)磁(ci)(ci)感(gan)線(xian)(xian)(xian)，將測(ce)場儀在均值(zhi)(zhi)(zhi)居(ju)民區(qu)踏實(shi)挪動(dong)，為(wei)了確保(bao)探測(ce)器無支持上去，記實(shi)人(ren)體(ti)(ti)(ti)(ti)電(dian)(dian)(dian)(dian)人(ren)體(ti)(ti)(ti)(ti)人(ren)體(ti)(ti)(ti)(ti)磁(ci)(ci)感(gan)線(xian)(xian)(xian)在均值(zhi)(zhi)(zhi)居(ju)民區(qu)各點(dian)量值(zhi)(zhi)(zhi)。若其中人(ren)體(ti)(ti)(ti)(ti)電(dian)(dian)(dian)(dian)人(ren)體(ti)(ti)(ti)(ti)人(ren)體(ti)(ti)(ti)(ti)磁(ci)(ci)感(gan)線(xian)(xian)(xian)數(shu)數(shu)值(zhi)(zhi)(zhi)為(wei)H0，均值(zhi)(zhi)(zhi)居(ju)民區(qu)另一(yi)點(dian)人(ren)體(ti)(ti)(ti)(ti)電(dian)(dian)(dian)(dian)人(ren)體(ti)(ti)(ti)(ti)人(ren)體(ti)(ti)(ti)(ti)磁(ci)(ci)感(gan)線(xian)(xian)(xian)數(shu)數(shu)值(zhi)(zhi)(zhi)為(wei)H1，如此這一(yi)點(dian)的人(ren)體(ti)(ti)(ti)(ti)電(dian)(dian)(dian)(dian)人(ren)體(ti)(ti)(ti)(ti)人(ren)體(ti)(ti)(ti)(ti)磁(ci)(ci)感(gan)線(xian)(xian)(xian)數(shu)據誤差(cha)既得(de)ΔH=H1-H0，則此點(dian)人(ren)體(ti)(ti)(ti)(ti)電(dian)(dian)(dian)(dian)人(ren)體(ti)(ti)(ti)(ti)人(ren)體(ti)(ti)(ti)(ti)磁(ci)(ci)感(gan)線(xian)(xian)(xian)的均值(zhi)(zhi)(zhi)度(du)為(wei)ΔH/H0；