离: leave; part from; be away fr ...差: send on an errand; dispatch的: 4次方是 The fourth power of 2 i ...原: primary; original; former点: drop离差原点: origin of deviation离差的度量: measure of dispersion离差的量度: measure of dispersion坐标的原点: origin of coordinates离差的绝对度量: absolute measure of dispersion已知坐标的原点: known datum point原点: base point; initial point; ip; origin of body axes; original point; point of origin; punch mark; root point; the beginning; zero离差: departure; deviation; dispersion差的: poor还原点: reduction spot起端，原点: origin原点矩: moment about the origin距离差: range difference离差 差量: dispersion离差（偏差）: deviation离差；离散: dispersion离差度: dispersion离差法: departure method; deviation method离差量: amount of deviation; amount of dispersion离差阵: scatter matrix
