The coefficient of variation of saturated water content decreased with the depth of profile. The coefficient of variation of bulk density and field capacity fluctuate with depth of soil.
饱和含水量的变异系数都随深度的增加逐渐降低,含水量、容重和田闷持水量的变异系数随深度的呈波动变化。
2
Most of the researches of selectivity of fishing gear ignored the between-haul Variation which is caused by uncontrolled factors such as the depth of water, direction and velocity of wind and current.
传统渔具选择性研究大多忽略了非可控因素(如水深、风流等)造成的网次间差异。
3
The sea surface wind stress and net heat flux affect the seasonal variation of water mass character in the PN section by changing the mixed layer depth every season.