Geometrical mean mass radius
mean mass flux density method
mean range
平均潮差
平均极差
平均距离
平均射程
平均自由程
平均全距
Gas Chromatography-Mass-Mass Spectrometry
range-range determination
range-range navigation system
range-range positioning
ceometric mean and arithmetic mean inequality
Geometric mean and Arithmetic mean inequality
log mean area logarithmic mean area