elevation of zero point of barometer  气压计零点高度

error of point location  点位误差

error of point position  点位误差

error of zero  零点误差

mean square error of point position  点位方差

zero point error  零点误差

coefficient of crossing of destruction  死亡系数

comparison of zero-crossing  过零比较

controlling of zero-crossing breaking or shutting off  过零通断控制

controlling of zero-crossing breaking over or shutting off  过零点通断控制

crossing point of axes  轴线交点

Crossing point of driving signal  驱动信号交叉点

crossing-point of axes  轴线交点

crossingpoint of axes  轴线交点

first zero point of differential value  首零法

order of zero point  零点的阶

point of crossing  交叉点

point of zero change  电荷零点

point of zero charge  山地土壤; 零电荷点; 等电点