principle source meaning in English
主要来源
Examples
- The general thickening from the southwest towards the northeast and north , combined with increasing of fine clastic to the northeast and north , indicate principle source of the upper kongdian formation from the southwest and south
自南而北地层逐渐加厚、细粒沉积物含量以及地层内部反射结构表明孔店组沉积时期物源来自研究区南部。